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Hyperperfect number

Noun

Definitions

1.NounAny natural number n for which, for some positive integer k, n = 1 + k(σ(n) - n - 1), where σ(n) is the sum of the positive divisors of n.

Synonyms

perfect number weird number ideal number deficient number prime number hemiperfect number sierpinski number superior highly composite number perfect power proth number hyperinteger natural number

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