9979870

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23209}}^1$

素因数の和:23259

約数の個数: 16

約数和(自身を含む): 18382320

約数和(自身を除く): 8402450

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 23209, 46418, 116045, 232090, 997987, 1995974, 4989935, 9979870]

約数ペア:

[(1, 9979870), (2, 4989935), (5, 1995974), (10, 997987), (43, 232090), (86, 116045), (215, 46418), (430, 23209)]