128520012

素因数分解:

$2^2\times 3^1\times {\mathrm{10710001}}^1$

素因数の和:10710008

約数の個数: 12

約数和(自身を含む): 299880056

約数和(自身を除く): 171360044

約数列:

[1, 2, 3, 4, 6, 12, 10710001, 21420002, 32130003, 42840004, 64260006, 128520012]

約数ペア:

[(1, 128520012), (2, 64260006), (3, 42840004), (4, 32130003), (6, 21420002), (12, 10710001)]