681845570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{9740651}}^1$

素因数の和:9740665

約数の個数: 16

約数和(自身を含む): 1402653888

約数和(自身を除く): 720808318

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 9740651, 19481302, 48703255, 68184557, 97406510, 136369114, 340922785, 681845570]

約数ペア:

[(1, 681845570), (2, 340922785), (5, 136369114), (7, 97406510), (10, 68184557), (14, 48703255), (35, 19481302), (70, 9740651)]