259466977

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1493}}^1$

素因数の和:1609

約数の個数: 32

約数和(自身を含む): 337906944

約数和(自身を除く): 78439967

約数列:

[1, 7, 11, 37, 61, 77, 259, 407, 427, 671, 1493, 2257, 2849, 4697, 10451, 15799, 16423, 24827, 55241, 91073, 114961, 173789, 386687, 607651, 637511, 1001803, 3369701, 4253557, 7012621, 23587907, 37066711, 259466977]

約数ペア:

[(1, 259466977), (7, 37066711), (11, 23587907), (37, 7012621), (61, 4253557), (77, 3369701), (259, 1001803), (407, 637511), (427, 607651), (671, 386687), (1493, 173789), (2257, 114961), (2849, 91073), (4697, 55241), (10451, 24827), (15799, 16423)]