51716912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{248639}}^1$

素因数の和:248660

約数の個数: 20

約数和(自身を含む): 107909760

約数和(自身を除く): 56192848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 248639, 497278, 994556, 1989112, 3232307, 3978224, 6464614, 12929228, 25858456, 51716912]

約数ペア:

[(1, 51716912), (2, 25858456), (4, 12929228), (8, 6464614), (13, 3978224), (16, 3232307), (26, 1989112), (52, 994556), (104, 497278), (208, 248639)]