31490690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{40897}}^1$

素因数の和:40922

約数の個数: 32

約数和(自身を含む): 70671744

約数和(自身を除く): 39181054

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 40897, 81794, 204485, 286279, 408970, 449867, 572558, 899734, 1431395, 2249335, 2862790, 3149069, 4498670, 6298138, 15745345, 31490690]

約数ペア:

[(1, 31490690), (2, 15745345), (5, 6298138), (7, 4498670), (10, 3149069), (11, 2862790), (14, 2249335), (22, 1431395), (35, 899734), (55, 572558), (70, 449867), (77, 408970), (110, 286279), (154, 204485), (385, 81794), (770, 40897)]