287172925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{51977}}^1$

素因数の和:52017

約数の個数: 24

約数和(自身を含む): 406052136

約数和(自身を除く): 118879211

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 51977, 259885, 675701, 883609, 1299425, 3378505, 4418045, 11486917, 16892525, 22090225, 57434585, 287172925]

約数ペア:

[(1, 287172925), (5, 57434585), (13, 22090225), (17, 16892525), (25, 11486917), (65, 4418045), (85, 3378505), (221, 1299425), (325, 883609), (425, 675701), (1105, 259885), (5525, 51977)]