28157389

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2963}}^1$

素因数の和:3036

約数の個数: 16

約数和(自身を含む): 32864832

約数和(自身を除く): 4707443

約数列:

[1, 13, 17, 43, 221, 559, 731, 2963, 9503, 38519, 50371, 127409, 654823, 1656317, 2165953, 28157389]

約数ペア:

[(1, 28157389), (13, 2165953), (17, 1656317), (43, 654823), (221, 127409), (559, 50371), (731, 38519), (2963, 9503)]