67980412

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{165001}}^1$

素因数の和:165108

約数の個数: 12

約数和(自身を含む): 120121456

約数和(自身を除く): 52141044

約数列:

[1, 2, 4, 103, 206, 412, 165001, 330002, 660004, 16995103, 33990206, 67980412]

約数ペア:

[(1, 67980412), (2, 33990206), (4, 16995103), (103, 660004), (206, 330002), (412, 165001)]