637635383

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 891265680

約数和(自身を除く): 253630297

約数列:

[1, 7, 11, 19, 29, 49, 77, 113, 133, 203, 209, 319, 361, 539, 551, 791, 931, 1243, 1421, 1463, 2147, 2233, 2527, 3277, 3857, 3971, 5537, 6061, 8701, 10241, 10469, 15029, 15631, 17689, 22939, 23617, 26999, 27797, 36047, 40793, 42427, 60907, 62263, 73283, 105203, 115159, 160573, 165319, 194579, 252329, 285551, 296989, 435841, 448723, 512981, 684893, 806113, 1157233, 1182997, 1766303, 1998857, 3050887, 3141061, 4794251, 5642791, 8280979, 13012967, 21987427, 33559757, 57966853, 91090769, 637635383]

約数ペア:

[(1, 637635383), (7, 91090769), (11, 57966853), (19, 33559757), (29, 21987427), (49, 13012967), (77, 8280979), (113, 5642791), (133, 4794251), (203, 3141061), (209, 3050887), (319, 1998857), (361, 1766303), (539, 1182997), (551, 1157233), (791, 806113), (931, 684893), (1243, 512981), (1421, 448723), (1463, 435841), (2147, 296989), (2233, 285551), (2527, 252329), (3277, 194579), (3857, 165319), (3971, 160573), (5537, 115159), (6061, 105203), (8701, 73283), (10241, 62263), (10469, 60907), (15029, 42427), (15631, 40793), (17689, 36047), (22939, 27797), (23617, 26999)]