51906239

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 70917120

約数和(自身を除く): 19010881

約数列:

[1, 7, 11, 23, 49, 53, 77, 79, 161, 253, 371, 539, 553, 583, 869, 1127, 1219, 1771, 1817, 2597, 3871, 4081, 4187, 6083, 8533, 12397, 12719, 13409, 19987, 28567, 29309, 42581, 46057, 59731, 89033, 93863, 96301, 139909, 205163, 322399, 657041, 674107, 979363, 1059311, 2256793, 4718749, 7415177, 51906239]

約数ペア:

[(1, 51906239), (7, 7415177), (11, 4718749), (23, 2256793), (49, 1059311), (53, 979363), (77, 674107), (79, 657041), (161, 322399), (253, 205163), (371, 139909), (539, 96301), (553, 93863), (583, 89033), (869, 59731), (1127, 46057), (1219, 42581), (1771, 29309), (1817, 28567), (2597, 19987), (3871, 13409), (4081, 12719), (4187, 12397), (6083, 8533)]