221520104

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{2130001}}^1$

素因数の和:2130020

約数の個数: 16

約数和(自身を含む): 447300420

約数和(自身を除く): 225780316

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 2130001, 4260002, 8520004, 17040008, 27690013, 55380026, 110760052, 221520104]

約数ペア:

[(1, 221520104), (2, 110760052), (4, 55380026), (8, 27690013), (13, 17040008), (26, 8520004), (52, 4260002), (104, 2130001)]