51781289

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{55619}}^1$

素因数の和:55652

約数の個数: 12

約数和(自身を含む): 63406800

約数和(自身を除く): 11625511

約数列:

[1, 7, 19, 49, 133, 931, 55619, 389333, 1056761, 2725331, 7397327, 51781289]

約数ペア:

[(1, 51781289), (7, 7397327), (19, 2725331), (49, 1056761), (133, 389333), (931, 55619)]