31243886

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{8861}}^1$

素因数の和:8947

約数の個数: 16

約数和(自身を含む): 49130928

約数和(自身を除く): 17887042

約数列:

[1, 2, 41, 43, 82, 86, 1763, 3526, 8861, 17722, 363301, 381023, 726602, 762046, 15621943, 31243886]

約数ペア:

[(1, 31243886), (2, 15621943), (41, 762046), (43, 726602), (82, 381023), (86, 363301), (1763, 17722), (3526, 8861)]