256849866

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:191

約数の個数: 240

約数和(自身を含む): 764739360

約数和(自身を除く): 507889494

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 27, 38, 39, 42, 49, 54, 57, 63, 78, 81, 91, 98, 114, 117, 126, 131, 133, 147, 162, 171, 182, 189, 234, 247, 262, 266, 273, 294, 342, 351, 378, 393, 399, 441, 494, 513, 546, 567, 637, 702, 741, 786, 798, 819, 882, 917, 931, 1026, 1053, 1134, 1179, 1197, 1274, 1323, 1482, 1539, 1638, 1703, 1729, 1834, 1862, 1911, 2106, 2223, 2358, 2394, 2457, 2489, 2646, 2751, 2793, 3078, 3406, 3458, 3537, 3591, 3822, 3969, 4446, 4914, 4978, 5109, 5187, 5502, 5586, 5733, 6419, 6669, 7074, 7182, 7371, 7467, 7938, 8253, 8379, 10218, 10374, 10611, 10773, 11466, 11921, 12103, 12838, 13338, 14742, 14934, 15327, 15561, 16506, 16758, 17199, 17423, 19257, 20007, 21222, 21546, 22401, 23842, 24206, 24759, 25137, 30654, 31122, 32357, 34398, 34846, 35763, 36309, 38514, 40014, 44802, 45981, 46683, 49518, 50274, 51597, 52269, 57771, 64714, 67203, 71526, 72618, 74277, 75411, 83447, 91962, 93366, 97071, 103194, 104538, 107289, 108927, 115542, 121961, 134406, 137943, 140049, 148554, 150822, 156807, 166894, 173313, 194142, 201609, 214578, 217854, 226499, 243922, 250341, 275886, 280098, 291213, 313614, 321867, 326781, 346626, 365883, 403218, 452998, 470421, 500682, 519939, 582426, 643734, 653562, 679497, 731766, 751023, 873639, 940842, 965601, 980343, 1039878, 1097649, 1358994, 1411263, 1502046, 1585493, 1747278, 1931202, 1960686, 2038491, 2195298, 2253069, 2620917, 2822526, 3170986, 3292947, 4076982, 4506138, 4756479, 5241834, 6115473, 6585894, 6759207, 9512958, 9878841, 12230946, 13518414, 14269437, 18346419, 19757682, 28538874, 36692838, 42808311, 85616622, 128424933, 256849866]

約数ペア:

[(1, 256849866), (2, 128424933), (3, 85616622), (6, 42808311), (7, 36692838), (9, 28538874), (13, 19757682), (14, 18346419), (18, 14269437), (19, 13518414), (21, 12230946), (26, 9878841), (27, 9512958), (38, 6759207), (39, 6585894), (42, 6115473), (49, 5241834), (54, 4756479), (57, 4506138), (63, 4076982), (78, 3292947), (81, 3170986), (91, 2822526), (98, 2620917), (114, 2253069), (117, 2195298), (126, 2038491), (131, 1960686), (133, 1931202), (147, 1747278), (162, 1585493), (171, 1502046), (182, 1411263), (189, 1358994), (234, 1097649), (247, 1039878), (262, 980343), (266, 965601), (273, 940842), (294, 873639), (342, 751023), (351, 731766), (378, 679497), (393, 653562), (399, 643734), (441, 582426), (494, 519939), (513, 500682), (546, 470421), (567, 452998), (637, 403218), (702, 365883), (741, 346626), (786, 326781), (798, 321867), (819, 313614), (882, 291213), (917, 280098), (931, 275886), (1026, 250341), (1053, 243922), (1134, 226499), (1179, 217854), (1197, 214578), (1274, 201609), (1323, 194142), (1482, 173313), (1539, 166894), (1638, 156807), (1703, 150822), (1729, 148554), (1834, 140049), (1862, 137943), (1911, 134406), (2106, 121961), (2223, 115542), (2358, 108927), (2394, 107289), (2457, 104538), (2489, 103194), (2646, 97071), (2751, 93366), (2793, 91962), (3078, 83447), (3406, 75411), (3458, 74277), (3537, 72618), (3591, 71526), (3822, 67203), (3969, 64714), (4446, 57771), (4914, 52269), (4978, 51597), (5109, 50274), (5187, 49518), (5502, 46683), (5586, 45981), (5733, 44802), (6419, 40014), (6669, 38514), (7074, 36309), (7182, 35763), (7371, 34846), (7467, 34398), (7938, 32357), (8253, 31122), (8379, 30654), (10218, 25137), (10374, 24759), (10611, 24206), (10773, 23842), (11466, 22401), (11921, 21546), (12103, 21222), (12838, 20007), (13338, 19257), (14742, 17423), (14934, 17199), (15327, 16758), (15561, 16506)]