520020545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1\times {\mathrm{271}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 690923520

約数和(自身を除く): 170902975

約数列:

[1, 5, 11, 55, 139, 251, 271, 695, 1255, 1355, 1529, 2761, 2981, 7645, 13805, 14905, 34889, 37669, 68021, 174445, 188345, 340105, 383779, 414359, 748231, 1918895, 2071795, 3741155, 9454919, 47274595, 104004109, 520020545]

約数ペア:

[(1, 520020545), (5, 104004109), (11, 47274595), (55, 9454919), (139, 3741155), (251, 2071795), (271, 1918895), (695, 748231), (1255, 414359), (1355, 383779), (1529, 340105), (2761, 188345), (2981, 174445), (7645, 68021), (13805, 37669), (14905, 34889)]