51480052

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{990001}}^1$

素因数の和:990018

約数の個数: 12

約数和(自身を含む): 97020196

約数和(自身を除く): 45540144

約数列:

[1, 2, 4, 13, 26, 52, 990001, 1980002, 3960004, 12870013, 25740026, 51480052]

約数ペア:

[(1, 51480052), (2, 25740026), (4, 12870013), (13, 3960004), (26, 1980002), (52, 990001)]