71621977

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{617}}^1$

素因数の和:757

約数の個数: 24

約数和(自身を含む): 87924096

約数和(自身を除く): 16302119

約数列:

[1, 7, 23, 49, 103, 161, 617, 721, 1127, 2369, 4319, 5047, 14191, 16583, 30233, 63551, 99337, 116081, 444857, 695359, 1461673, 3113999, 10231711, 71621977]

約数ペア:

[(1, 71621977), (7, 10231711), (23, 3113999), (49, 1461673), (103, 695359), (161, 444857), (617, 116081), (721, 99337), (1127, 63551), (2369, 30233), (4319, 16583), (5047, 14191)]