87390452

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{1087}}^1$

素因数の和:1391

約数の個数: 24

約数和(自身を含む): 155366400

約数和(自身を除く): 67975948

約数列:

[1, 2, 4, 101, 199, 202, 398, 404, 796, 1087, 2174, 4348, 20099, 40198, 80396, 109787, 216313, 219574, 432626, 439148, 865252, 21847613, 43695226, 87390452]

約数ペア:

[(1, 87390452), (2, 43695226), (4, 21847613), (101, 865252), (199, 439148), (202, 432626), (398, 219574), (404, 216313), (796, 109787), (1087, 80396), (2174, 40198), (4348, 20099)]