7920012

素因数分解:

$2^2\times 3^1\times {\mathrm{660001}}^1$

素因数の和:660008

約数の個数: 12

約数和(自身を含む): 18480056

約数和(自身を除く): 10560044

約数列:

[1, 2, 3, 4, 6, 12, 660001, 1320002, 1980003, 2640004, 3960006, 7920012]

約数ペア:

[(1, 7920012), (2, 3960006), (3, 2640004), (4, 1980003), (6, 1320002), (12, 660001)]