1220345

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{293}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 1809864

約数和(自身を除く): 589519

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 293, 595, 833, 1465, 2051, 4165, 4981, 10255, 14357, 24905, 34867, 71785, 174335, 244069, 1220345]

約数ペア:

[(1, 1220345), (5, 244069), (7, 174335), (17, 71785), (35, 34867), (49, 24905), (85, 14357), (119, 10255), (245, 4981), (293, 4165), (595, 2051), (833, 1465)]