4891325

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{677}}^1$

素因数の和:721

約数の個数: 18

約数和(自身を含む): 6452526

約数和(自身を除く): 1561201

約数列:

[1, 5, 17, 25, 85, 289, 425, 677, 1445, 3385, 7225, 11509, 16925, 57545, 195653, 287725, 978265, 4891325]

約数ペア:

[(1, 4891325), (5, 978265), (17, 287725), (25, 195653), (85, 57545), (289, 16925), (425, 11509), (677, 7225), (1445, 3385)]