157211870

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{2243}}^1$

素因数の和:2456

約数の個数: 32

約数和(自身を含む): 291468672

約数和(自身を除く): 134256802

約数列:

[1, 2, 5, 10, 43, 86, 163, 215, 326, 430, 815, 1630, 2243, 4486, 7009, 11215, 14018, 22430, 35045, 70090, 96449, 192898, 365609, 482245, 731218, 964490, 1828045, 3656090, 15721187, 31442374, 78605935, 157211870]

約数ペア:

[(1, 157211870), (2, 78605935), (5, 31442374), (10, 15721187), (43, 3656090), (86, 1828045), (163, 964490), (215, 731218), (326, 482245), (430, 365609), (815, 192898), (1630, 96449), (2243, 70090), (4486, 35045), (7009, 22430), (11215, 14018)]