12390445

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{661}}^1$

素因数の和:852

約数の個数: 16

約数和(自身を含む): 15633792

約数和(自身を除く): 3243347

約数列:

[1, 5, 23, 115, 163, 661, 815, 3305, 3749, 15203, 18745, 76015, 107743, 538715, 2478089, 12390445]

約数ペア:

[(1, 12390445), (5, 2478089), (23, 538715), (115, 107743), (163, 76015), (661, 18745), (815, 15203), (3305, 3749)]