278316025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{829}}^1\times {\mathrm{1033}}^1$

素因数の和:1885

約数の個数: 24

約数和(自身を含む): 372467480

約数和(自身を除く): 94151455

約数列:

[1, 5, 13, 25, 65, 325, 829, 1033, 4145, 5165, 10777, 13429, 20725, 25825, 53885, 67145, 269425, 335725, 856357, 4281785, 11132641, 21408925, 55663205, 278316025]

約数ペア:

[(1, 278316025), (5, 55663205), (13, 21408925), (25, 11132641), (65, 4281785), (325, 856357), (829, 335725), (1033, 269425), (4145, 67145), (5165, 53885), (10777, 25825), (13429, 20725)]