Definitions from Wiktionary (hyperperfect number)
▸ noun: (mathematics, number theory) Any 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.
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▸ noun: (mathematics, number theory) Any 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.
Similar:
perfect number,
weird number,
ideal number,
deficient number,
prime number,
hemiperfect number,
Sierpinski number,
superior highly composite number,
perfect power,
Proth number,
more...
Opposite:
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