81275942

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{263}}^1\times {\mathrm{1277}}^1$

素因数の和:1564

約数の個数: 24

約数和(自身を含む): 134619408

約数和(自身を除く): 53343466

約数列:

[1, 2, 11, 22, 121, 242, 263, 526, 1277, 2554, 2893, 5786, 14047, 28094, 31823, 63646, 154517, 309034, 335851, 671702, 3694361, 7388722, 40637971, 81275942]

約数ペア:

[(1, 81275942), (2, 40637971), (11, 7388722), (22, 3694361), (121, 671702), (242, 335851), (263, 309034), (526, 154517), (1277, 63646), (2554, 31823), (2893, 28094), (5786, 14047)]