408133025

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{56489}}^1$

素因数の和:56533

約数の個数: 18

約数和(自身を含む): 537615330

約数和(自身を除く): 129482305

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 7225, 56489, 282445, 960313, 1412225, 4801565, 16325321, 24007825, 81626605, 408133025]

約数ペア:

[(1, 408133025), (5, 81626605), (17, 24007825), (25, 16325321), (85, 4801565), (289, 1412225), (425, 960313), (1445, 282445), (7225, 56489)]