271689136

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{394897}}^1$

素因数の和:394948

約数の個数: 20

約数和(自身を含む): 538640872

約数和(自身を除く): 266951736

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 394897, 789794, 1579588, 3159176, 6318352, 16980571, 33961142, 67922284, 135844568, 271689136]

約数ペア:

[(1, 271689136), (2, 135844568), (4, 67922284), (8, 33961142), (16, 16980571), (43, 6318352), (86, 3159176), (172, 1579588), (344, 789794), (688, 394897)]