13897925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{617}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 18621576

約数和(自身を除く): 4723651

約数列:

[1, 5, 17, 25, 53, 85, 265, 425, 617, 901, 1325, 3085, 4505, 10489, 15425, 22525, 32701, 52445, 163505, 262225, 555917, 817525, 2779585, 13897925]

約数ペア:

[(1, 13897925), (5, 2779585), (17, 817525), (25, 555917), (53, 262225), (85, 163505), (265, 52445), (425, 32701), (617, 22525), (901, 15425), (1325, 10489), (3085, 4505)]