28630511

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{571}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 38438400

約数和(自身を除く): 9807889

約数列:

[1, 7, 13, 19, 29, 91, 133, 203, 247, 377, 551, 571, 1729, 2639, 3857, 3997, 7163, 7423, 10849, 16559, 50141, 51961, 75943, 115913, 141037, 215267, 314621, 987259, 1506869, 2202347, 4090073, 28630511]

約数ペア:

[(1, 28630511), (7, 4090073), (13, 2202347), (19, 1506869), (29, 987259), (91, 314621), (133, 215267), (203, 141037), (247, 115913), (377, 75943), (551, 51961), (571, 50141), (1729, 16559), (2639, 10849), (3857, 7423), (3997, 7163)]