157210277

素因数分解:

$7^4\times {\mathrm{41}}^1\times {\mathrm{1597}}^1$

素因数の和:1666

約数の個数: 20

約数和(自身を含む): 187991916

約数和(自身を除く): 30781639

約数列:

[1, 7, 41, 49, 287, 343, 1597, 2009, 2401, 11179, 14063, 65477, 78253, 98441, 458339, 547771, 3208373, 3834397, 22458611, 157210277]

約数ペア:

[(1, 157210277), (7, 22458611), (41, 3834397), (49, 3208373), (287, 547771), (343, 458339), (1597, 98441), (2009, 78253), (2401, 65477), (11179, 14063)]