128245208

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{176161}}^1$

素因数の和:176187

約数の個数: 32

約数和(自身を含む): 295952160

約数和(自身を除く): 167706952

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 176161, 352322, 704644, 1233127, 1409288, 2290093, 2466254, 4580186, 4932508, 9160372, 9865016, 16030651, 18320744, 32061302, 64122604, 128245208]

約数ペア:

[(1, 128245208), (2, 64122604), (4, 32061302), (7, 18320744), (8, 16030651), (13, 9865016), (14, 9160372), (26, 4932508), (28, 4580186), (52, 2466254), (56, 2290093), (91, 1409288), (104, 1233127), (182, 704644), (364, 352322), (728, 176161)]