81946268

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 155361024

約数和(自身を除く): 73414756

約数列:

[1, 2, 4, 31, 37, 53, 62, 74, 106, 124, 148, 212, 337, 674, 1147, 1348, 1643, 1961, 2294, 3286, 3922, 4588, 6572, 7844, 10447, 12469, 17861, 20894, 24938, 35722, 41788, 49876, 60791, 71444, 121582, 243164, 386539, 553691, 660857, 773078, 1107382, 1321714, 1546156, 2214764, 2643428, 20486567, 40973134, 81946268]

約数ペア:

[(1, 81946268), (2, 40973134), (4, 20486567), (31, 2643428), (37, 2214764), (53, 1546156), (62, 1321714), (74, 1107382), (106, 773078), (124, 660857), (148, 553691), (212, 386539), (337, 243164), (674, 121582), (1147, 71444), (1348, 60791), (1643, 49876), (1961, 41788), (2294, 35722), (3286, 24938), (3922, 20894), (4588, 17861), (6572, 12469), (7844, 10447)]