2008698307

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{521}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 2673575424

約数和(自身を除く): 664877117

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 311, 521, 539, 1127, 1771, 2177, 3421, 3647, 5731, 7153, 11983, 12397, 15239, 23947, 25529, 40117, 50071, 78683, 83881, 131813, 162031, 167629, 280819, 350497, 550781, 587167, 922691, 1134217, 1782341, 3726713, 3855467, 6458837, 7939519, 12476387, 26086991, 40993843, 87334709, 182608937, 286956901, 2008698307]

約数ペア:

[(1, 2008698307), (7, 286956901), (11, 182608937), (23, 87334709), (49, 40993843), (77, 26086991), (161, 12476387), (253, 7939519), (311, 6458837), (521, 3855467), (539, 3726713), (1127, 1782341), (1771, 1134217), (2177, 922691), (3421, 587167), (3647, 550781), (5731, 350497), (7153, 280819), (11983, 167629), (12397, 162031), (15239, 131813), (23947, 83881), (25529, 78683), (40117, 50071)]