2690389438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{245071}}^1$

素因数の和:245583

約数の個数: 16

約数和(自身を含む): 4411296000

約数和(自身を除く): 1720906562

約数列:

[1, 2, 11, 22, 499, 998, 5489, 10978, 245071, 490142, 2695781, 5391562, 122290429, 244580858, 1345194719, 2690389438]

約数ペア:

[(1, 2690389438), (2, 1345194719), (11, 244580858), (22, 122290429), (499, 5391562), (998, 2695781), (5489, 490142), (10978, 245071)]