51878113

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{541}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 64259520

約数和(自身を除く): 12381407

約数列:

[1, 7, 19, 49, 103, 133, 541, 721, 931, 1957, 3787, 5047, 10279, 13699, 26509, 55723, 71953, 95893, 390061, 503671, 1058737, 2730427, 7411159, 51878113]

約数ペア:

[(1, 51878113), (7, 7411159), (19, 2730427), (49, 1058737), (103, 503671), (133, 390061), (541, 95893), (721, 71953), (931, 55723), (1957, 26509), (3787, 13699), (5047, 10279)]