25509016

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{245279}}^1$

素因数の和:245298

約数の個数: 16

約数和(自身を含む): 51508800

約数和(自身を除く): 25999784

約数列:

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

約数ペア:

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