308789612

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{257}}^1\times {\mathrm{2161}}^1$

素因数の和:2561

約数の個数: 24

約数和(自身を含む): 546640080

約数和(自身を除く): 237850468

約数列:

[1, 2, 4, 139, 257, 278, 514, 556, 1028, 2161, 4322, 8644, 35723, 71446, 142892, 300379, 555377, 600758, 1110754, 1201516, 2221508, 77197403, 154394806, 308789612]

約数ペア:

[(1, 308789612), (2, 154394806), (4, 77197403), (139, 2221508), (257, 1201516), (278, 1110754), (514, 600758), (556, 555377), (1028, 300379), (2161, 142892), (4322, 71446), (8644, 35723)]