64643212

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{156901}}^1$

素因数の和:157008

約数の個数: 12

約数和(自身を含む): 114224656

約数和(自身を除く): 49581444

約数列:

[1, 2, 4, 103, 206, 412, 156901, 313802, 627604, 16160803, 32321606, 64643212]

約数ペア:

[(1, 64643212), (2, 32321606), (4, 16160803), (103, 627604), (206, 313802), (412, 156901)]