209077316

素因数分解:

$2^2\times 7^2\times {\mathrm{1066721}}^1$

素因数の和:1066739

約数の個数: 18

約数和(自身を含む): 425622078

約数和(自身を除く): 216544762

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1066721, 2133442, 4266884, 7467047, 14934094, 29868188, 52269329, 104538658, 209077316]

約数ペア:

[(1, 209077316), (2, 104538658), (4, 52269329), (7, 29868188), (14, 14934094), (28, 7467047), (49, 4266884), (98, 2133442), (196, 1066721)]