31902455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{28871}}^1$

素因数の和:28906

約数の個数: 16

約数和(自身を含む): 43654464

約数和(自身を除く): 11752009

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 28871, 144355, 375323, 490807, 1876615, 2454035, 6380491, 31902455]

約数ペア:

[(1, 31902455), (5, 6380491), (13, 2454035), (17, 1876615), (65, 490807), (85, 375323), (221, 144355), (1105, 28871)]