12981188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{307}}^1$

素因数の和:384

約数の個数: 36

約数和(自身を含む): 25690896

約数和(自身を除く): 12709708

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 307, 341, 614, 682, 961, 1228, 1364, 1922, 3377, 3844, 6754, 9517, 10571, 13508, 19034, 21142, 38068, 42284, 104687, 209374, 295027, 418748, 590054, 1180108, 3245297, 6490594, 12981188]

約数ペア:

[(1, 12981188), (2, 6490594), (4, 3245297), (11, 1180108), (22, 590054), (31, 418748), (44, 295027), (62, 209374), (124, 104687), (307, 42284), (341, 38068), (614, 21142), (682, 19034), (961, 13508), (1228, 10571), (1364, 9517), (1922, 6754), (3377, 3844)]