28290689

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 34911360

約数和(自身を除く): 6620671

約数列:

[1, 7, 29, 43, 49, 203, 301, 463, 1247, 1421, 2107, 3241, 8729, 13427, 19909, 22687, 61103, 93989, 139363, 577361, 657923, 975541, 4041527, 28290689]

約数ペア:

[(1, 28290689), (7, 4041527), (29, 975541), (43, 657923), (49, 577361), (203, 139363), (301, 93989), (463, 61103), (1247, 22687), (1421, 19909), (2107, 13427), (3241, 8729)]