81315454

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{217421}}^1$

素因数の和:217451

約数の個数: 16

約数和(自身を含む): 140889456

約数和(自身を除く): 59574002

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 217421, 434842, 2391631, 3696157, 4783262, 7392314, 40657727, 81315454]

約数ペア:

[(1, 81315454), (2, 40657727), (11, 7392314), (17, 4783262), (22, 3696157), (34, 2391631), (187, 434842), (374, 217421)]