890403956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{88721}}^1$

素因数の和:88931

約数の個数: 24

約数和(自身を含む): 1686782664

約数和(自身を除く): 796378708

約数列:

[1, 2, 4, 13, 26, 52, 193, 386, 772, 2509, 5018, 10036, 88721, 177442, 354884, 1153373, 2306746, 4613492, 17123153, 34246306, 68492612, 222600989, 445201978, 890403956]

約数ペア:

[(1, 890403956), (2, 445201978), (4, 222600989), (13, 68492612), (26, 34246306), (52, 17123153), (193, 4613492), (386, 2306746), (772, 1153373), (2509, 354884), (5018, 177442), (10036, 88721)]