28357615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2333}}^1$

素因数の和:2379

約数の個数: 32

約数和(自身を含む): 42348096

約数和(自身を除く): 13990481

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 2333, 2431, 11665, 12155, 25663, 30329, 39661, 128315, 151645, 198305, 333619, 436271, 515593, 1668095, 2181355, 2577965, 5671523, 28357615]

約数ペア:

[(1, 28357615), (5, 5671523), (11, 2577965), (13, 2181355), (17, 1668095), (55, 515593), (65, 436271), (85, 333619), (143, 198305), (187, 151645), (221, 128315), (715, 39661), (935, 30329), (1105, 25663), (2333, 12155), (2431, 11665)]