221436713

素因数分解:

${\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 244440768

約数和(自身を除く): 23004055

約数列:

[1, 17, 43, 103, 173, 289, 731, 1751, 2941, 4429, 7439, 12427, 17819, 29767, 49997, 75293, 126463, 302923, 766217, 1279981, 2149871, 5149691, 13025689, 221436713]

約数ペア:

[(1, 221436713), (17, 13025689), (43, 5149691), (103, 2149871), (173, 1279981), (289, 766217), (731, 302923), (1751, 126463), (2941, 75293), (4429, 49997), (7439, 29767), (12427, 17819)]