256480826021

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1\times {\mathrm{108421}}^1$

素因数の和:108741

約数の個数: 32

約数和(自身を含む): 315003207168

約数和(自身を除く): 58522381147

約数列:

[1, 7, 17, 103, 119, 193, 721, 1351, 1751, 3281, 12257, 19879, 22967, 108421, 139153, 337943, 758947, 1843157, 2365601, 11167363, 12902099, 20925253, 78171541, 146476771, 189845171, 355729301, 1328916197, 2155301059, 2490105107, 15087107413, 36640118003, 256480826021]

約数ペア:

[(1, 256480826021), (7, 36640118003), (17, 15087107413), (103, 2490105107), (119, 2155301059), (193, 1328916197), (721, 355729301), (1351, 189845171), (1751, 146476771), (3281, 78171541), (12257, 20925253), (19879, 12902099), (22967, 11167363), (108421, 2365601), (139153, 1843157), (337943, 758947)]