72538711

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{1559}}^1$

素因数の和:1623

約数の個数: 24

約数和(自身を含む): 91952640

約数和(自身を除く): 19413929

約数列:

[1, 7, 17, 23, 119, 161, 289, 391, 1559, 2023, 2737, 6647, 10913, 26503, 35857, 46529, 185521, 250999, 450551, 609569, 3153857, 4266983, 10362673, 72538711]

約数ペア:

[(1, 72538711), (7, 10362673), (17, 4266983), (23, 3153857), (119, 609569), (161, 450551), (289, 250999), (391, 185521), (1559, 46529), (2023, 35857), (2737, 26503), (6647, 10913)]