78656666

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 131604480

約数和(自身を除く): 52947814

約数列:

[1, 2, 11, 22, 79, 158, 167, 271, 334, 542, 869, 1738, 1837, 2981, 3674, 5962, 13193, 21409, 26386, 42818, 45257, 90514, 145123, 235499, 290246, 470998, 497827, 995654, 3575303, 7150606, 39328333, 78656666]

約数ペア:

[(1, 78656666), (2, 39328333), (11, 7150606), (22, 3575303), (79, 995654), (158, 497827), (167, 470998), (271, 290246), (334, 235499), (542, 145123), (869, 90514), (1738, 45257), (1837, 42818), (2981, 26386), (3674, 21409), (5962, 13193)]