168978448

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{54721}}^1$

素因数の和:54922

約数の個数: 20

約数和(自身を含む): 329098108

約数和(自身を除く): 160119660

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 54721, 109442, 218884, 437768, 875536, 10561153, 21122306, 42244612, 84489224, 168978448]

約数ペア:

[(1, 168978448), (2, 84489224), (4, 42244612), (8, 21122306), (16, 10561153), (193, 875536), (386, 437768), (772, 218884), (1544, 109442), (3088, 54721)]