55495225

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{7681}}^1$

素因数の和:7725

約数の個数: 18

約数和(自身を含む): 73109594

約数和(自身を除く): 17614369

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 7225, 7681, 38405, 130577, 192025, 652885, 2219809, 3264425, 11099045, 55495225]

約数ペア:

[(1, 55495225), (5, 11099045), (17, 3264425), (25, 2219809), (85, 652885), (289, 192025), (425, 130577), (1445, 38405), (7225, 7681)]