208156925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{16889}}^1$

素因数の和:16945

約数の個数: 24

約数和(自身を含む): 282738600

約数和(自身を除く): 74581675

約数列:

[1, 5, 17, 25, 29, 85, 145, 425, 493, 725, 2465, 12325, 16889, 84445, 287113, 422225, 489781, 1435565, 2448905, 7177825, 8326277, 12244525, 41631385, 208156925]

約数ペア:

[(1, 208156925), (5, 41631385), (17, 12244525), (25, 8326277), (29, 7177825), (85, 2448905), (145, 1435565), (425, 489781), (493, 422225), (725, 287113), (2465, 84445), (12325, 16889)]