161796272

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21379}}^1$

素因数の和:21441

約数の個数: 40

約数和(自身を含む): 349947840

約数和(自身を除く): 188151568

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 3784, 7568, 21379, 42758, 85516, 171032, 235169, 342064, 470338, 919297, 940676, 1838594, 1881352, 3677188, 3762704, 7354376, 10112267, 14708752, 20224534, 40449068, 80898136, 161796272]

約数ペア:

[(1, 161796272), (2, 80898136), (4, 40449068), (8, 20224534), (11, 14708752), (16, 10112267), (22, 7354376), (43, 3762704), (44, 3677188), (86, 1881352), (88, 1838594), (172, 940676), (176, 919297), (344, 470338), (473, 342064), (688, 235169), (946, 171032), (1892, 85516), (3784, 42758), (7568, 21379)]