28370992

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{136399}}^1$

素因数の和:136420

約数の個数: 20

約数和(自身を含む): 59197600

約数和(自身を除く): 30826608

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 136399, 272798, 545596, 1091192, 1773187, 2182384, 3546374, 7092748, 14185496, 28370992]

約数ペア:

[(1, 28370992), (2, 14185496), (4, 7092748), (8, 3546374), (13, 2182384), (16, 1773187), (26, 1091192), (52, 545596), (104, 272798), (208, 136399)]