89907209

素因数分解:

$7^2\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 107606880

約数和(自身を除く): 17699671

約数列:

[1, 7, 49, 59, 137, 227, 413, 959, 1589, 2891, 6713, 8083, 11123, 13393, 31099, 56581, 93751, 217693, 396067, 656257, 1523851, 1834841, 12843887, 89907209]

約数ペア:

[(1, 89907209), (7, 12843887), (49, 1834841), (59, 1523851), (137, 656257), (227, 396067), (413, 217693), (959, 93751), (1589, 56581), (2891, 31099), (6713, 13393), (8083, 11123)]