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On the Congruence σ(n) ≡ 1(mod n), II
Author(s): 
Pages: 155-160
Year: Issue:  2
Journal: Journal of Mathematical Research and Exposition

Keyword:  quasiperfect numberquasi-multiperfect number.;
Abstract: Let k ≥ 2 be an integer, and let σ(n) denote the sum of the positive divisors of an integer n. We call n a quasi-multiperfect number if σ(n) = kn + 1. In this paper, we give some necessary properties of quasi-multiperfect numbers with four different prime divisors.
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