31570790

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{7499}}^1$

素因数の和:7927

約数の個数: 16

約数和(自身を含む): 56970000

約数和(自身を除く): 25399210

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 7499, 14998, 37495, 74990, 3157079, 6314158, 15785395, 31570790]

約数ペア:

[(1, 31570790), (2, 15785395), (5, 6314158), (10, 3157079), (421, 74990), (842, 37495), (2105, 14998), (4210, 7499)]