636509951

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{947}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 855930240

約数和(自身を除く): 219420289

約数列:

[1, 7, 11, 29, 43, 49, 77, 203, 301, 319, 473, 539, 947, 1247, 1421, 2107, 2233, 3311, 6629, 8729, 10417, 13717, 15631, 23177, 27463, 40721, 46403, 61103, 72919, 96019, 192241, 285047, 302093, 447931, 510433, 672133, 1180909, 1345687, 1995329, 2114651, 3135517, 8266363, 12989999, 14802557, 21948619, 57864541, 90929993, 636509951]

約数ペア:

[(1, 636509951), (7, 90929993), (11, 57864541), (29, 21948619), (43, 14802557), (49, 12989999), (77, 8266363), (203, 3135517), (301, 2114651), (319, 1995329), (473, 1345687), (539, 1180909), (947, 672133), (1247, 510433), (1421, 447931), (2107, 302093), (2233, 285047), (3311, 192241), (6629, 96019), (8729, 72919), (10417, 61103), (13717, 46403), (15631, 40721), (23177, 27463)]