51421986

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 145152000

約数和(自身を除く): 93730014

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 83, 99, 126, 149, 154, 166, 189, 198, 231, 249, 297, 298, 378, 447, 462, 498, 581, 594, 693, 747, 894, 913, 1043, 1162, 1341, 1386, 1494, 1639, 1743, 1826, 2079, 2086, 2241, 2682, 2739, 3129, 3278, 3486, 4023, 4158, 4482, 4917, 5229, 5478, 6258, 6391, 8046, 8217, 9387, 9834, 10458, 11473, 12367, 12782, 14751, 15687, 16434, 18774, 19173, 22946, 24651, 24734, 28161, 29502, 31374, 34419, 37101, 38346, 44253, 49302, 56322, 57519, 68838, 74202, 86569, 88506, 103257, 111303, 115038, 136037, 172557, 173138, 206514, 222606, 259707, 272074, 309771, 333909, 345114, 408111, 519414, 619542, 667818, 779121, 816222, 952259, 1224333, 1558242, 1904518, 2337363, 2448666, 2856777, 3672999, 4674726, 5713554, 7345998, 8570331, 17140662, 25710993, 51421986]

約数ペア:

[(1, 51421986), (2, 25710993), (3, 17140662), (6, 8570331), (7, 7345998), (9, 5713554), (11, 4674726), (14, 3672999), (18, 2856777), (21, 2448666), (22, 2337363), (27, 1904518), (33, 1558242), (42, 1224333), (54, 952259), (63, 816222), (66, 779121), (77, 667818), (83, 619542), (99, 519414), (126, 408111), (149, 345114), (154, 333909), (166, 309771), (189, 272074), (198, 259707), (231, 222606), (249, 206514), (297, 173138), (298, 172557), (378, 136037), (447, 115038), (462, 111303), (498, 103257), (581, 88506), (594, 86569), (693, 74202), (747, 68838), (894, 57519), (913, 56322), (1043, 49302), (1162, 44253), (1341, 38346), (1386, 37101), (1494, 34419), (1639, 31374), (1743, 29502), (1826, 28161), (2079, 24734), (2086, 24651), (2241, 22946), (2682, 19173), (2739, 18774), (3129, 16434), (3278, 15687), (3486, 14751), (4023, 12782), (4158, 12367), (4482, 11473), (4917, 10458), (5229, 9834), (5478, 9387), (6258, 8217), (6391, 8046)]