31910270

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{65123}}^1$

素因数の和:65144

約数の個数: 24

約数和(自身を含む): 66817224

約数和(自身を除く): 34906954

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 65123, 130246, 325615, 455861, 651230, 911722, 2279305, 3191027, 4558610, 6382054, 15955135, 31910270]

約数ペア:

[(1, 31910270), (2, 15955135), (5, 6382054), (7, 4558610), (10, 3191027), (14, 2279305), (35, 911722), (49, 651230), (70, 455861), (98, 325615), (245, 130246), (490, 65123)]