78840012

素因数分解:

$2^2\times 3^1\times {\mathrm{6570001}}^1$

素因数の和:6570008

約数の個数: 12

約数和(自身を含む): 183960056

約数和(自身を除く): 105120044

約数列:

[1, 2, 3, 4, 6, 12, 6570001, 13140002, 19710003, 26280004, 39420006, 78840012]

約数ペア:

[(1, 78840012), (2, 39420006), (3, 26280004), (4, 19710003), (6, 13140002), (12, 6570001)]