249558725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2657}}^1$

素因数の和:2714

約数の個数: 36

約数和(自身を含む): 354146604

約数和(自身を除く): 104587879

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 289, 325, 425, 1105, 1445, 2657, 3757, 5525, 7225, 13285, 18785, 34541, 45169, 66425, 93925, 172705, 225845, 587197, 767873, 863525, 1129225, 2935985, 3839365, 9982349, 14679925, 19196825, 49911745, 249558725]

約数ペア:

[(1, 249558725), (5, 49911745), (13, 19196825), (17, 14679925), (25, 9982349), (65, 3839365), (85, 2935985), (221, 1129225), (289, 863525), (325, 767873), (425, 587197), (1105, 225845), (1445, 172705), (2657, 93925), (3757, 66425), (5525, 45169), (7225, 34541), (13285, 18785)]