81691368

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{309437}}^1$

素因数の和:309457

約数の個数: 32

約数和(自身を含む): 222795360

約数和(自身を除く): 141103992

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 309437, 618874, 928311, 1237748, 1856622, 2475496, 3403807, 3713244, 6807614, 7426488, 10211421, 13615228, 20422842, 27230456, 40845684, 81691368]

約数ペア:

[(1, 81691368), (2, 40845684), (3, 27230456), (4, 20422842), (6, 13615228), (8, 10211421), (11, 7426488), (12, 6807614), (22, 3713244), (24, 3403807), (33, 2475496), (44, 1856622), (66, 1237748), (88, 928311), (132, 618874), (264, 309437)]