204874145

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{19447}}^1$

素因数の和:19509

約数の個数: 24

約数和(自身を含む): 292653504

約数和(自身を除く): 87779359

約数列:

[1, 5, 7, 35, 43, 49, 215, 245, 301, 1505, 2107, 10535, 19447, 97235, 136129, 680645, 836221, 952903, 4181105, 4764515, 5853547, 29267735, 40974829, 204874145]

約数ペア:

[(1, 204874145), (5, 40974829), (7, 29267735), (35, 5853547), (43, 4764515), (49, 4181105), (215, 952903), (245, 836221), (301, 680645), (1505, 136129), (2107, 97235), (10535, 19447)]