51721656

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:194

約数の個数: 128

約数和(自身を含む): 154752000

約数和(自身を除く): 103030344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 61, 84, 98, 103, 122, 147, 168, 183, 196, 206, 244, 294, 309, 343, 366, 392, 412, 427, 488, 588, 618, 686, 721, 732, 824, 854, 1029, 1176, 1236, 1281, 1372, 1442, 1464, 1708, 2058, 2163, 2472, 2562, 2744, 2884, 2989, 3416, 4116, 4326, 5047, 5124, 5768, 5978, 6283, 8232, 8652, 8967, 10094, 10248, 11956, 12566, 15141, 17304, 17934, 18849, 20188, 20923, 23912, 25132, 30282, 35329, 35868, 37698, 40376, 41846, 43981, 50264, 60564, 62769, 70658, 71736, 75396, 83692, 87962, 105987, 121128, 125538, 131943, 141316, 150792, 167384, 175924, 211974, 251076, 263886, 282632, 307867, 351848, 423948, 502152, 527772, 615734, 847896, 923601, 1055544, 1231468, 1847202, 2155069, 2462936, 3694404, 4310138, 6465207, 7388808, 8620276, 12930414, 17240552, 25860828, 51721656]

約数ペア:

[(1, 51721656), (2, 25860828), (3, 17240552), (4, 12930414), (6, 8620276), (7, 7388808), (8, 6465207), (12, 4310138), (14, 3694404), (21, 2462936), (24, 2155069), (28, 1847202), (42, 1231468), (49, 1055544), (56, 923601), (61, 847896), (84, 615734), (98, 527772), (103, 502152), (122, 423948), (147, 351848), (168, 307867), (183, 282632), (196, 263886), (206, 251076), (244, 211974), (294, 175924), (309, 167384), (343, 150792), (366, 141316), (392, 131943), (412, 125538), (427, 121128), (488, 105987), (588, 87962), (618, 83692), (686, 75396), (721, 71736), (732, 70658), (824, 62769), (854, 60564), (1029, 50264), (1176, 43981), (1236, 41846), (1281, 40376), (1372, 37698), (1442, 35868), (1464, 35329), (1708, 30282), (2058, 25132), (2163, 23912), (2472, 20923), (2562, 20188), (2744, 18849), (2884, 17934), (2989, 17304), (3416, 15141), (4116, 12566), (4326, 11956), (5047, 10248), (5124, 10094), (5768, 8967), (5978, 8652), (6283, 8232)]