81393152

素因数分解:

$2^9\times {\mathrm{43}}^1\times {\mathrm{3697}}^1$

素因数の和:3758

約数の個数: 40

約数和(自身を含む): 166454376

約数和(自身を除く): 85061224

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 512, 688, 1376, 2752, 3697, 5504, 7394, 11008, 14788, 22016, 29576, 59152, 118304, 158971, 236608, 317942, 473216, 635884, 946432, 1271768, 1892864, 2543536, 5087072, 10174144, 20348288, 40696576, 81393152]

約数ペア:

[(1, 81393152), (2, 40696576), (4, 20348288), (8, 10174144), (16, 5087072), (32, 2543536), (43, 1892864), (64, 1271768), (86, 946432), (128, 635884), (172, 473216), (256, 317942), (344, 236608), (512, 158971), (688, 118304), (1376, 59152), (2752, 29576), (3697, 22016), (5504, 14788), (7394, 11008)]