128421656

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{132667}}^1$

素因数の和:132695

約数の個数: 24

約数和(自身を含む): 264672660

約数和(自身を除く): 136251004

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 132667, 265334, 530668, 1061336, 1459337, 2918674, 5837348, 11674696, 16052707, 32105414, 64210828, 128421656]

約数ペア:

[(1, 128421656), (2, 64210828), (4, 32105414), (8, 16052707), (11, 11674696), (22, 5837348), (44, 2918674), (88, 1459337), (121, 1061336), (242, 530668), (484, 265334), (968, 132667)]