211616425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{2137}}^1$

素因数の和:2397

約数の個数: 24

約数和(自身を含む): 279162936

約数和(自身を除く): 67546511

約数列:

[1, 5, 17, 25, 85, 233, 425, 1165, 2137, 3961, 5825, 10685, 19805, 36329, 53425, 99025, 181645, 497921, 908225, 2489605, 8464657, 12448025, 42323285, 211616425]

約数ペア:

[(1, 211616425), (5, 42323285), (17, 12448025), (25, 8464657), (85, 2489605), (233, 908225), (425, 497921), (1165, 181645), (2137, 99025), (3961, 53425), (5825, 36329), (10685, 19805)]