81835310

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1459}}^1$

素因数の和:1616

約数の個数: 32

約数和(自身を含む): 151372800

約数和(自身を除く): 69537490

約数列:

[1, 2, 5, 10, 71, 79, 142, 158, 355, 395, 710, 790, 1459, 2918, 5609, 7295, 11218, 14590, 28045, 56090, 103589, 115261, 207178, 230522, 517945, 576305, 1035890, 1152610, 8183531, 16367062, 40917655, 81835310]

約数ペア:

[(1, 81835310), (2, 40917655), (5, 16367062), (10, 8183531), (71, 1152610), (79, 1035890), (142, 576305), (158, 517945), (355, 230522), (395, 207178), (710, 115261), (790, 103589), (1459, 56090), (2918, 28045), (5609, 14590), (7295, 11218)]