31393985

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2777}}^1$

素因数の和:2825

約数の個数: 32

約数和(自身を含む): 48003840

約数和(自身を除く): 16609855

約数列:

[1, 5, 7, 17, 19, 35, 85, 95, 119, 133, 323, 595, 665, 1615, 2261, 2777, 11305, 13885, 19439, 47209, 52763, 97195, 236045, 263815, 330463, 369341, 896971, 1652315, 1846705, 4484855, 6278797, 31393985]

約数ペア:

[(1, 31393985), (5, 6278797), (7, 4484855), (17, 1846705), (19, 1652315), (35, 896971), (85, 369341), (95, 330463), (119, 263815), (133, 236045), (323, 97195), (595, 52763), (665, 47209), (1615, 19439), (2261, 13885), (2777, 11305)]