220404541

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2267}}^1$

素因数の和:2353

約数の個数: 32

約数和(自身を含む): 287400960

約数和(自身を除く): 66996419

約数列:

[1, 7, 17, 19, 43, 119, 133, 301, 323, 731, 817, 2261, 2267, 5117, 5719, 13889, 15869, 38539, 43073, 97223, 97481, 269773, 301511, 682367, 732241, 1657177, 1852139, 5125687, 11600239, 12964973, 31486363, 220404541]

約数ペア:

[(1, 220404541), (7, 31486363), (17, 12964973), (19, 11600239), (43, 5125687), (119, 1852139), (133, 1657177), (301, 732241), (323, 682367), (731, 301511), (817, 269773), (2261, 97481), (2267, 97223), (5117, 43073), (5719, 38539), (13889, 15869)]