398519132

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{29123}}^1$

素因数の和:29449

約数の個数: 24

約数和(自身を含む): 763281792

約数和(自身を除く): 364762660

約数列:

[1, 2, 4, 11, 22, 44, 311, 622, 1244, 3421, 6842, 13684, 29123, 58246, 116492, 320353, 640706, 1281412, 9057253, 18114506, 36229012, 99629783, 199259566, 398519132]

約数ペア:

[(1, 398519132), (2, 199259566), (4, 99629783), (11, 36229012), (22, 18114506), (44, 9057253), (311, 1281412), (622, 640706), (1244, 320353), (3421, 116492), (6842, 58246), (13684, 29123)]