12780856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{467}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 26282880

約数和(自身を除く): 13502024

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 311, 467, 622, 934, 1244, 1868, 2488, 3421, 3736, 5137, 6842, 10274, 13684, 20548, 27368, 41096, 145237, 290474, 580948, 1161896, 1597607, 3195214, 6390428, 12780856]

約数ペア:

[(1, 12780856), (2, 6390428), (4, 3195214), (8, 1597607), (11, 1161896), (22, 580948), (44, 290474), (88, 145237), (311, 41096), (467, 27368), (622, 20548), (934, 13684), (1244, 10274), (1868, 6842), (2488, 5137), (3421, 3736)]