220157516

素因数分解:

$2^2\times {\mathrm{79}}^2\times {\mathrm{8819}}^1$

素因数の和:8981

約数の個数: 18

約数和(自身を含む): 390258540

約数和(自身を除く): 170101024

約数列:

[1, 2, 4, 79, 158, 316, 6241, 8819, 12482, 17638, 24964, 35276, 696701, 1393402, 2786804, 55039379, 110078758, 220157516]

約数ペア:

[(1, 220157516), (2, 110078758), (4, 55039379), (79, 2786804), (158, 1393402), (316, 696701), (6241, 35276), (8819, 24964), (12482, 17638)]