51487475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9319}}^1$

素因数の和:9359

約数の個数: 24

約数和(自身を含む): 72807840

約数和(自身を除く): 21320365

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 9319, 46595, 121147, 158423, 232975, 605735, 792115, 2059499, 3028675, 3960575, 10297495, 51487475]

約数ペア:

[(1, 51487475), (5, 10297495), (13, 3960575), (17, 3028675), (25, 2059499), (65, 792115), (85, 605735), (221, 232975), (325, 158423), (425, 121147), (1105, 46595), (5525, 9319)]