290248511

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{1531}}^1$

素因数の和:1671

約数の個数: 24

約数和(自身を含む): 348946704

約数和(自身を除く): 58698193

約数列:

[1, 7, 49, 53, 73, 371, 511, 1531, 2597, 3577, 3869, 10717, 27083, 75019, 81143, 111763, 189581, 568001, 782341, 3976007, 5476387, 5923439, 41464073, 290248511]

約数ペア:

[(1, 290248511), (7, 41464073), (49, 5923439), (53, 5476387), (73, 3976007), (371, 782341), (511, 568001), (1531, 189581), (2597, 111763), (3577, 81143), (3869, 75019), (10717, 27083)]