25855781

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 31299840

約数和(自身を除く): 5444059

約数列:

[1, 7, 47, 49, 103, 109, 329, 721, 763, 2303, 4841, 5047, 5123, 5341, 11227, 33887, 35861, 78589, 237209, 251027, 527669, 550123, 3693683, 25855781]

約数ペア:

[(1, 25855781), (7, 3693683), (47, 550123), (49, 527669), (103, 251027), (109, 237209), (329, 78589), (721, 35861), (763, 33887), (2303, 11227), (4841, 5341), (5047, 5123)]