31118890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{3581}}^1$

素因数の和:3678

約数の個数: 32

約数和(自身を含む): 61896960

約数和(自身を除く): 30778070

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 3581, 4345, 7162, 8690, 17905, 35810, 39391, 78782, 196955, 282899, 393910, 565798, 1414495, 2828990, 3111889, 6223778, 15559445, 31118890]

約数ペア:

[(1, 31118890), (2, 15559445), (5, 6223778), (10, 3111889), (11, 2828990), (22, 1414495), (55, 565798), (79, 393910), (110, 282899), (158, 196955), (395, 78782), (790, 39391), (869, 35810), (1738, 17905), (3581, 8690), (4345, 7162)]