890210881

素因数分解:

$7^3\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 1065804800

約数和(自身を除く): 175593919

約数列:

[1, 7, 49, 61, 157, 271, 343, 427, 1099, 1897, 2989, 7693, 9577, 13279, 16531, 20923, 42547, 53851, 67039, 92953, 115717, 297829, 469273, 810019, 2084803, 2595367, 3284911, 5670133, 14593621, 18167569, 127172983, 890210881]

約数ペア:

[(1, 890210881), (7, 127172983), (49, 18167569), (61, 14593621), (157, 5670133), (271, 3284911), (343, 2595367), (427, 2084803), (1099, 810019), (1897, 469273), (2989, 297829), (7693, 115717), (9577, 92953), (13279, 67039), (16531, 53851), (20923, 42547)]