31609910

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{211}}^2$

素因数の和:500

約数の個数: 24

約数和(自身を含む): 57973968

約数和(自身を除く): 26364058

約数列:

[1, 2, 5, 10, 71, 142, 211, 355, 422, 710, 1055, 2110, 14981, 29962, 44521, 74905, 89042, 149810, 222605, 445210, 3160991, 6321982, 15804955, 31609910]

約数ペア:

[(1, 31609910), (2, 15804955), (5, 6321982), (10, 3160991), (71, 445210), (142, 222605), (211, 149810), (355, 89042), (422, 74905), (710, 44521), (1055, 29962), (2110, 14981)]