1288891288

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{647}}^1\times {\mathrm{5791}}^1$

素因数の和:6487

約数の個数: 32

約数和(自身を含む): 2477122560

約数和(自身を除く): 1188231272

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 647, 1294, 2588, 5176, 5791, 11582, 23164, 27821, 46328, 55642, 111284, 222568, 249013, 498026, 996052, 1992104, 3746777, 7493554, 14987108, 29974216, 161111411, 322222822, 644445644, 1288891288]

約数ペア:

[(1, 1288891288), (2, 644445644), (4, 322222822), (8, 161111411), (43, 29974216), (86, 14987108), (172, 7493554), (344, 3746777), (647, 1992104), (1294, 996052), (2588, 498026), (5176, 249013), (5791, 222568), (11582, 111284), (23164, 55642), (27821, 46328)]