40457977

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{2857}}^1$

素因数の和:2905

約数の個数: 18

約数和(自身を含む): 50012142

約数和(自身を除く): 9554165

約数列:

[1, 7, 17, 49, 119, 289, 833, 2023, 2857, 14161, 19999, 48569, 139993, 339983, 825673, 2379881, 5779711, 40457977]

約数ペア:

[(1, 40457977), (7, 5779711), (17, 2379881), (49, 825673), (119, 339983), (289, 139993), (833, 48569), (2023, 19999), (2857, 14161)]