289403312

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{8263}}^1$

素因数の和:8481

約数の個数: 40

約数和(自身を含む): 614841600

約数和(自身を除く): 325438288

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 199, 398, 796, 1592, 2189, 3184, 4378, 8263, 8756, 16526, 17512, 33052, 35024, 66104, 90893, 132208, 181786, 363572, 727144, 1454288, 1644337, 3288674, 6577348, 13154696, 18087707, 26309392, 36175414, 72350828, 144701656, 289403312]

約数ペア:

[(1, 289403312), (2, 144701656), (4, 72350828), (8, 36175414), (11, 26309392), (16, 18087707), (22, 13154696), (44, 6577348), (88, 3288674), (176, 1644337), (199, 1454288), (398, 727144), (796, 363572), (1592, 181786), (2189, 132208), (3184, 90893), (4378, 66104), (8263, 35024), (8756, 33052), (16526, 17512)]