28840412

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{70001}}^1$

素因数の和:70108

約数の個数: 12

約数和(自身を含む): 50961456

約数和(自身を除く): 22121044

約数列:

[1, 2, 4, 103, 206, 412, 70001, 140002, 280004, 7210103, 14420206, 28840412]

約数ペア:

[(1, 28840412), (2, 14420206), (4, 7210103), (103, 280004), (206, 140002), (412, 70001)]