6688739981

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^3\times {\mathrm{17681}}^1$

素因数の和:17750

約数の個数: 32

約数和(自身を含む): 8860803840

約数和(自身を除く): 2172063859

約数列:

[1, 7, 11, 17, 77, 119, 187, 289, 1309, 2023, 3179, 4913, 17681, 22253, 34391, 54043, 123767, 194491, 300577, 378301, 1361437, 2104039, 3306347, 5109809, 23144429, 35768663, 56207899, 86866753, 393455293, 608067271, 955534283, 6688739981]

約数ペア:

[(1, 6688739981), (7, 955534283), (11, 608067271), (17, 393455293), (77, 86866753), (119, 56207899), (187, 35768663), (289, 23144429), (1309, 5109809), (2023, 3306347), (3179, 2104039), (4913, 1361437), (17681, 378301), (22253, 300577), (34391, 194491), (54043, 123767)]