207811270

素因数分解:

$2^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{39887}}^1$

素因数の和:40415

約数の個数: 16

約数和(自身を含む): 374787648

約数和(自身を除く): 166976378

約数列:

[1, 2, 5, 10, 521, 1042, 2605, 5210, 39887, 79774, 199435, 398870, 20781127, 41562254, 103905635, 207811270]

約数ペア:

[(1, 207811270), (2, 103905635), (5, 41562254), (10, 20781127), (521, 398870), (1042, 199435), (2605, 79774), (5210, 39887)]