80898136

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21379}}^1$

素因数の和:21439

約数の個数: 32

約数和(自身を含む): 169329600

約数和(自身を除く): 88431464

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 21379, 42758, 85516, 171032, 235169, 470338, 919297, 940676, 1838594, 1881352, 3677188, 7354376, 10112267, 20224534, 40449068, 80898136]

約数ペア:

[(1, 80898136), (2, 40449068), (4, 20224534), (8, 10112267), (11, 7354376), (22, 3677188), (43, 1881352), (44, 1838594), (86, 940676), (88, 919297), (172, 470338), (344, 235169), (473, 171032), (946, 85516), (1892, 42758), (3784, 21379)]