51417808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{247201}}^1$

素因数の和:247222

約数の個数: 20

約数和(自身を含む): 107285668

約数和(自身を除く): 55867860

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 247201, 494402, 988804, 1977608, 3213613, 3955216, 6427226, 12854452, 25708904, 51417808]

約数ペア:

[(1, 51417808), (2, 25708904), (4, 12854452), (8, 6427226), (13, 3955216), (16, 3213613), (26, 1977608), (52, 988804), (104, 494402), (208, 247201)]