201217291331

素因数分解:

$7^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1\times {\mathrm{515639}}^1$

素因数の和:516274

約数の個数: 16

約数和(自身を含む): 232557765120

約数和(自身を除く): 31340473789

約数列:

[1, 7, 107, 521, 749, 3647, 55747, 390229, 515639, 3609473, 55173373, 268647919, 386213611, 1880535433, 28745327333, 201217291331]

約数ペア:

[(1, 201217291331), (7, 28745327333), (107, 1880535433), (521, 386213611), (749, 268647919), (3647, 55173373), (55747, 3609473), (390229, 515639)]