620350703

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{7919}}^1$

素因数の和:7995

約数の個数: 24

約数和(自身を含む): 772485120

約数和(自身を除く): 152134417

約数列:

[1, 7, 19, 31, 133, 217, 361, 589, 2527, 4123, 7919, 11191, 55433, 78337, 150461, 245489, 1053227, 1718423, 2858759, 4664291, 20011313, 32650037, 88621529, 620350703]

約数ペア:

[(1, 620350703), (7, 88621529), (19, 32650037), (31, 20011313), (133, 4664291), (217, 2858759), (361, 1718423), (589, 1053227), (2527, 245489), (4123, 150461), (7919, 78337), (11191, 55433)]