81404818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{22157}}^1$

素因数の和:22337

約数の個数: 16

約数和(自身を含む): 134011584

約数和(自身を除く): 52606766

約数列:

[1, 2, 11, 22, 167, 334, 1837, 3674, 22157, 44314, 243727, 487454, 3700219, 7400438, 40702409, 81404818]

約数ペア:

[(1, 81404818), (2, 40702409), (11, 7400438), (22, 3700219), (167, 487454), (334, 243727), (1837, 44314), (3674, 22157)]