80978868

素因数分解:

$2^2\times 3^2\times {\mathrm{2249413}}^1$

素因数の和:2249423

約数の個数: 18

約数和(自身を含む): 204696674

約数和(自身を除く): 123717806

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2249413, 4498826, 6748239, 8997652, 13496478, 20244717, 26992956, 40489434, 80978868]

約数ペア:

[(1, 80978868), (2, 40489434), (3, 26992956), (4, 20244717), (6, 13496478), (9, 8997652), (12, 6748239), (18, 4498826), (36, 2249413)]