208488868

素因数分解:

$2^2\times 7^1\times {\mathrm{1361}}^1\times {\mathrm{5471}}^1$

素因数の和:6843

約数の個数: 24

約数和(自身を含む): 417360384

約数和(自身を除く): 208871516

約数列:

[1, 2, 4, 7, 14, 28, 1361, 2722, 5444, 5471, 9527, 10942, 19054, 21884, 38108, 38297, 76594, 153188, 7446031, 14892062, 29784124, 52122217, 104244434, 208488868]

約数ペア:

[(1, 208488868), (2, 104244434), (4, 52122217), (7, 29784124), (14, 14892062), (28, 7446031), (1361, 153188), (2722, 76594), (5444, 38297), (5471, 38108), (9527, 21884), (10942, 19054)]