90160231

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{20477}}^1$

素因数の和:20538

約数の個数: 16

約数和(自身を含む): 112055616

約数和(自身を除く): 21895385

約数列:

[1, 7, 17, 37, 119, 259, 629, 4403, 20477, 143339, 348109, 757649, 2436763, 5303543, 12880033, 90160231]

約数ペア:

[(1, 90160231), (7, 12880033), (17, 5303543), (37, 2436763), (119, 757649), (259, 348109), (629, 143339), (4403, 20477)]