multiperfect
Being a generalization of a perfect numberBeing a generalization of a perfect number. For a given natural number k, a number n is called k-perfect (or k-fold perfect) iff the sum of all positive divisors of n (the divisor function, σ(n)) is equal to kn.
Значення
значень: 1(без ступенів порівняння)Being a generalization of a perfect number. For a given natural number k, a number n is called k-perfect (or k-fold perfect) iff the sum of all positive divisors of n (the divisor function, σ(n)) is equal to kn.
Походження
From multi- + perfect.From multi- + perfect.
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