131565310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{16889}}^1$

素因数の和:16956

約数の個数: 32

約数和(自身を含む): 255376800

約数和(自身を除く): 123811490

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 7790, 16889, 33778, 84445, 168890, 320891, 641782, 692449, 1384898, 1604455, 3208910, 3462245, 6924490, 13156531, 26313062, 65782655, 131565310]

約数ペア:

[(1, 131565310), (2, 65782655), (5, 26313062), (10, 13156531), (19, 6924490), (38, 3462245), (41, 3208910), (82, 1604455), (95, 1384898), (190, 692449), (205, 641782), (410, 320891), (779, 168890), (1558, 84445), (3895, 33778), (7790, 16889)]