28089413

素因数分解:

${\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:436

約数の個数: 16

約数和(自身を含む): 31344192

約数和(自身を除く): 3254779

約数列:

[1, 11, 101, 131, 193, 1111, 1441, 2123, 13231, 19493, 25283, 145541, 214423, 278113, 2553583, 28089413]

約数ペア:

[(1, 28089413), (11, 2553583), (101, 278113), (131, 214423), (193, 145541), (1111, 25283), (1441, 19493), (2123, 13231)]