71690868

素因数分解:

$2^2\times 3^2\times {\mathrm{1991413}}^1$

素因数の和:1991423

約数の個数: 18

約数和(自身を含む): 181218674

約数和(自身を除く): 109527806

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1991413, 3982826, 5974239, 7965652, 11948478, 17922717, 23896956, 35845434, 71690868]

約数ペア:

[(1, 71690868), (2, 35845434), (3, 23896956), (4, 17922717), (6, 11948478), (9, 7965652), (12, 5974239), (18, 3982826), (36, 1991413)]