28681688

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^2\times {\mathrm{277}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 63150480

約数和(自身を除く): 34468792

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 277, 301, 344, 554, 602, 1108, 1204, 1849, 1939, 2216, 2408, 3698, 3878, 7396, 7756, 11911, 12943, 14792, 15512, 23822, 25886, 47644, 51772, 83377, 95288, 103544, 166754, 333508, 512173, 667016, 1024346, 2048692, 3585211, 4097384, 7170422, 14340844, 28681688]

約数ペア:

[(1, 28681688), (2, 14340844), (4, 7170422), (7, 4097384), (8, 3585211), (14, 2048692), (28, 1024346), (43, 667016), (56, 512173), (86, 333508), (172, 166754), (277, 103544), (301, 95288), (344, 83377), (554, 51772), (602, 47644), (1108, 25886), (1204, 23822), (1849, 15512), (1939, 14792), (2216, 12943), (2408, 11911), (3698, 7756), (3878, 7396)]