65219495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 90720000

約数和(自身を除く): 25500505

約数列:

[1, 5, 11, 19, 55, 95, 139, 209, 449, 695, 1045, 1529, 2245, 2641, 4939, 7645, 8531, 13205, 24695, 29051, 42655, 62411, 93841, 145255, 312055, 469205, 686521, 1185809, 3432605, 5929045, 13043899, 65219495]

約数ペア:

[(1, 65219495), (5, 13043899), (11, 5929045), (19, 3432605), (55, 1185809), (95, 686521), (139, 469205), (209, 312055), (449, 145255), (695, 93841), (1045, 62411), (1529, 42655), (2245, 29051), (2641, 24695), (4939, 13205), (7645, 8531)]