28647421

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1213}}^1$

素因数の和:1356

約数の個数: 16

約数和(自身を含む): 33215040

約数和(自身を除く): 4567619

約数列:

[1, 11, 19, 113, 209, 1213, 1243, 2147, 13343, 23047, 23617, 137069, 253517, 1507759, 2604311, 28647421]

約数ペア:

[(1, 28647421), (11, 2604311), (19, 1507759), (113, 253517), (209, 137069), (1213, 23617), (1243, 23047), (2147, 13343)]