7956221

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 10725120

約数和(自身を除く): 2768899

約数列:

[1, 7, 13, 17, 37, 91, 119, 139, 221, 259, 481, 629, 973, 1547, 1807, 2363, 3367, 4403, 5143, 8177, 12649, 16541, 30719, 36001, 57239, 66859, 87431, 215033, 468013, 612017, 1136603, 7956221]

約数ペア:

[(1, 7956221), (7, 1136603), (13, 612017), (17, 468013), (37, 215033), (91, 87431), (119, 66859), (139, 57239), (221, 36001), (259, 30719), (481, 16541), (629, 12649), (973, 8177), (1547, 5143), (1807, 4403), (2363, 3367)]