90877418

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{191}}^1\times {\mathrm{659}}^1$

素因数の和:890

約数の個数: 24

約数和(自身を含む): 144840960

約数和(自身を除く): 53963542

約数列:

[1, 2, 19, 38, 191, 361, 382, 659, 722, 1318, 3629, 7258, 12521, 25042, 68951, 125869, 137902, 237899, 251738, 475798, 2391511, 4783022, 45438709, 90877418]

約数ペア:

[(1, 90877418), (2, 45438709), (19, 4783022), (38, 2391511), (191, 475798), (361, 251738), (382, 237899), (659, 137902), (722, 125869), (1318, 68951), (3629, 25042), (7258, 12521)]