51018032

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{245279}}^1$

素因数の和:245300

約数の個数: 20

約数和(自身を含む): 106451520

約数和(自身を除く): 55433488

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 245279, 490558, 981116, 1962232, 3188627, 3924464, 6377254, 12754508, 25509016, 51018032]

約数ペア:

[(1, 51018032), (2, 25509016), (4, 12754508), (8, 6377254), (13, 3924464), (16, 3188627), (26, 1962232), (52, 981116), (104, 490558), (208, 245279)]