81606136

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2591}}^1$

素因数の和:2755

約数の個数: 32

約数和(自身を含む): 159252480

約数和(自身を除く): 77646344

約数列:

[1, 2, 4, 8, 31, 62, 124, 127, 248, 254, 508, 1016, 2591, 3937, 5182, 7874, 10364, 15748, 20728, 31496, 80321, 160642, 321284, 329057, 642568, 658114, 1316228, 2632456, 10200767, 20401534, 40803068, 81606136]

約数ペア:

[(1, 81606136), (2, 40803068), (4, 20401534), (8, 10200767), (31, 2632456), (62, 1316228), (124, 658114), (127, 642568), (248, 329057), (254, 321284), (508, 160642), (1016, 80321), (2591, 31496), (3937, 20728), (5182, 15748), (7874, 10364)]