87151790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{11159}}^1$

素因数の和:11248

約数の個数: 32

約数和(自身を含む): 173560320

約数和(自身を除く): 86408530

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 11159, 22318, 55795, 111590, 122749, 245498, 613745, 792289, 1227490, 1584578, 3961445, 7922890, 8715179, 17430358, 43575895, 87151790]

約数ペア:

[(1, 87151790), (2, 43575895), (5, 17430358), (10, 8715179), (11, 7922890), (22, 3961445), (55, 1584578), (71, 1227490), (110, 792289), (142, 613745), (355, 245498), (710, 122749), (781, 111590), (1562, 55795), (3905, 22318), (7810, 11159)]