66654287

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1\times {\mathrm{479}}^1$

素因数の和:782

約数の個数: 16

約数和(自身を含む): 77475840

約数和(自身を除く): 10821553

約数列:

[1, 7, 103, 193, 479, 721, 1351, 3353, 19879, 49337, 92447, 139153, 345359, 647129, 9522041, 66654287]

約数ペア:

[(1, 66654287), (7, 9522041), (103, 647129), (193, 345359), (479, 139153), (721, 92447), (1351, 49337), (3353, 19879)]