172218781

素因数分解:

$7^2\times {\mathrm{103}}^1\times {\mathrm{34123}}^1$

素因数の和:34240

約数の個数: 12

約数和(自身を含む): 202287072

約数和(自身を除く): 30068291

約数列:

[1, 7, 49, 103, 721, 5047, 34123, 238861, 1672027, 3514669, 24602683, 172218781]

約数ペア:

[(1, 172218781), (7, 24602683), (49, 3514669), (103, 1672027), (721, 238861), (5047, 34123)]