408907837

素因数分解:

${\mathrm{13}}^4\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:294

約数の個数: 20

約数和(自身を含む): 450500960

約数和(自身を除く): 41593123

約数列:

[1, 13, 103, 139, 169, 1339, 1807, 2197, 14317, 17407, 23491, 28561, 186121, 226291, 305383, 2419573, 2941783, 3969979, 31454449, 408907837]

約数ペア:

[(1, 408907837), (13, 31454449), (103, 3969979), (139, 2941783), (169, 2419573), (1339, 305383), (1807, 226291), (2197, 186121), (14317, 28561), (17407, 23491)]