81990448

素因数分解:

$2^4\times {\mathrm{733}}^1\times {\mathrm{6991}}^1$

素因数の和:7732

約数の個数: 20

約数和(自身を含む): 159095968

約数和(自身を除く): 77105520

約数列:

[1, 2, 4, 8, 16, 733, 1466, 2932, 5864, 6991, 11728, 13982, 27964, 55928, 111856, 5124403, 10248806, 20497612, 40995224, 81990448]

約数ペア:

[(1, 81990448), (2, 40995224), (4, 20497612), (8, 10248806), (16, 5124403), (733, 111856), (1466, 55928), (2932, 27964), (5864, 13982), (6991, 11728)]