51461368

素因数分解:

$2^3\times 7^2\times {\mathrm{43}}^2\times {\mathrm{71}}^1$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 116533080

約数和(自身を除く): 65071712

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 49, 56, 71, 86, 98, 142, 172, 196, 284, 301, 344, 392, 497, 568, 602, 994, 1204, 1849, 1988, 2107, 2408, 3053, 3479, 3698, 3976, 4214, 6106, 6958, 7396, 8428, 12212, 12943, 13916, 14792, 16856, 21371, 24424, 25886, 27832, 42742, 51772, 85484, 90601, 103544, 131279, 149597, 170968, 181202, 262558, 299194, 362404, 525116, 598388, 724808, 918953, 1050232, 1196776, 1837906, 3675812, 6432671, 7351624, 12865342, 25730684, 51461368]

約数ペア:

[(1, 51461368), (2, 25730684), (4, 12865342), (7, 7351624), (8, 6432671), (14, 3675812), (28, 1837906), (43, 1196776), (49, 1050232), (56, 918953), (71, 724808), (86, 598388), (98, 525116), (142, 362404), (172, 299194), (196, 262558), (284, 181202), (301, 170968), (344, 149597), (392, 131279), (497, 103544), (568, 90601), (602, 85484), (994, 51772), (1204, 42742), (1849, 27832), (1988, 25886), (2107, 24424), (2408, 21371), (3053, 16856), (3479, 14792), (3698, 13916), (3976, 12943), (4214, 12212), (6106, 8428), (6958, 7396)]