391791169

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{2137}}^1\times {\mathrm{2381}}^1$

素因数の和:4536

約数の個数: 16

約数和(自身を含む): 488900736

約数和(自身を除く): 97109567

約数列:

[1, 7, 11, 77, 2137, 2381, 14959, 16667, 23507, 26191, 164549, 183337, 5088197, 35617379, 55970167, 391791169]

約数ペア:

[(1, 391791169), (7, 55970167), (11, 35617379), (77, 5088197), (2137, 183337), (2381, 164549), (14959, 26191), (16667, 23507)]