81381562

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1\times {\mathrm{1297}}^1$

素因数の和:1665

約数の個数: 16

約数和(自身を含む): 123595560

約数和(自身を除く): 42213998

約数列:

[1, 2, 137, 229, 274, 458, 1297, 2594, 31373, 62746, 177689, 297013, 355378, 594026, 40690781, 81381562]

約数ペア:

[(1, 81381562), (2, 40690781), (137, 594026), (229, 355378), (274, 297013), (458, 177689), (1297, 62746), (2594, 31373)]