1991231437

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{310693}}^1$

素因数の和:310752

約数の個数: 16

約数和(自身を含む): 2348846640

約数和(自身を除く): 357615203

約数列:

[1, 13, 17, 29, 221, 377, 493, 6409, 310693, 4039009, 5281781, 9010097, 68663153, 117131261, 153171649, 1991231437]

約数ペア:

[(1, 1991231437), (13, 153171649), (17, 117131261), (29, 68663153), (221, 9010097), (377, 5281781), (493, 4039009), (6409, 310693)]