256897746

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107309}}^1$

素因数の和:107343

約数の個数: 48

約数和(自身を含む): 669614400

約数和(自身を除く): 412716654

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 107309, 214618, 321927, 643854, 751163, 965781, 1502326, 1931562, 2038871, 2253489, 4077742, 4506978, 6116613, 6760467, 12233226, 13520934, 14272097, 18349839, 28544194, 36699678, 42816291, 85632582, 128448873, 256897746]

約数ペア:

[(1, 256897746), (2, 128448873), (3, 85632582), (6, 42816291), (7, 36699678), (9, 28544194), (14, 18349839), (18, 14272097), (19, 13520934), (21, 12233226), (38, 6760467), (42, 6116613), (57, 4506978), (63, 4077742), (114, 2253489), (126, 2038871), (133, 1931562), (171, 1502326), (266, 965781), (342, 751163), (399, 643854), (798, 321927), (1197, 214618), (2394, 107309)]