28780631

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{857}}^1$

素因数の和:982

約数の個数: 16

約数和(自身を含む): 32617728

約数和(自身を除く): 3837097

約数列:

[1, 11, 43, 71, 473, 781, 857, 3053, 9427, 33583, 36851, 60847, 405361, 669317, 2616421, 28780631]

約数ペア:

[(1, 28780631), (11, 2616421), (43, 669317), (71, 405361), (473, 60847), (781, 36851), (857, 33583), (3053, 9427)]