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Original Articles

Iterating the Sum-of-Divisors Function

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Pages 91-100 | Published online: 03 Apr 2012

REFERENCES

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  • Erdös , P. 1955 . “On amicable numbers” . Publ. Math. Debrecen , : 108 – 111 . [Erdös 1955]
  • Erdös , P. , Granville , A. , Pomerance , C. and Spiro , C. 1990 . “On the normal behavior of the iterates of some arithmetical functions”. ” . In Analytic Number Theory 165 – 204 . Boston : Birkhaüser. . [Erdös et al. 1992], Allerton Park, 1989
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  • Hausman , M. 1982 . “The solution of a special arithmetic equation” . Canad. Math. Bull. , 25 : 114 – 117 . [Hausman 1982]
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  • Lord , G. 1975 . “Even perfect and super perfect numbers” . Elem. Math. , 30 : 87 – 88 . [Lord 1975]
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  • Schroeppel , R. January 1996 . “1385 multiperfect numbers” January , [Schroeppel 1993], 4 May 1993, available with updates from the editor at [email protected]. In private communication, there were 2125 multiperfect numbers listed
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