251571672

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:238

約数の個数: 192

約数和(自身を含む): 778377600

約数和(自身を除く): 526805928

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 43, 44, 66, 72, 83, 86, 88, 89, 99, 129, 132, 166, 172, 178, 198, 249, 258, 264, 267, 332, 344, 356, 387, 396, 473, 498, 516, 534, 664, 712, 747, 774, 792, 801, 913, 946, 979, 996, 1032, 1068, 1419, 1494, 1548, 1602, 1826, 1892, 1958, 1992, 2136, 2739, 2838, 2937, 2988, 3096, 3204, 3569, 3652, 3784, 3827, 3916, 4257, 5478, 5676, 5874, 5976, 6408, 7138, 7304, 7387, 7654, 7832, 8217, 8514, 8811, 10707, 10956, 11352, 11481, 11748, 14276, 14774, 15308, 16434, 17028, 17622, 21414, 21912, 22161, 22962, 23496, 28552, 29548, 30616, 32121, 32868, 34056, 34443, 35244, 39259, 42097, 42828, 44322, 45924, 59096, 64242, 65736, 66483, 68886, 70488, 78518, 81257, 84194, 85656, 88644, 91848, 117777, 126291, 128484, 132966, 137772, 157036, 162514, 168388, 177288, 235554, 243771, 252582, 256968, 265932, 275544, 314072, 317641, 325028, 336776, 353331, 378873, 471108, 487542, 505164, 531864, 635282, 650056, 706662, 731313, 757746, 942216, 952923, 975084, 1010328, 1270564, 1413324, 1462626, 1515492, 1905846, 1950168, 2541128, 2826648, 2858769, 2925252, 3030984, 3494051, 3811692, 5717538, 5850504, 6988102, 7623384, 10482153, 11435076, 13976204, 20964306, 22870152, 27952408, 31446459, 41928612, 62892918, 83857224, 125785836, 251571672]

約数ペア:

[(1, 251571672), (2, 125785836), (3, 83857224), (4, 62892918), (6, 41928612), (8, 31446459), (9, 27952408), (11, 22870152), (12, 20964306), (18, 13976204), (22, 11435076), (24, 10482153), (33, 7623384), (36, 6988102), (43, 5850504), (44, 5717538), (66, 3811692), (72, 3494051), (83, 3030984), (86, 2925252), (88, 2858769), (89, 2826648), (99, 2541128), (129, 1950168), (132, 1905846), (166, 1515492), (172, 1462626), (178, 1413324), (198, 1270564), (249, 1010328), (258, 975084), (264, 952923), (267, 942216), (332, 757746), (344, 731313), (356, 706662), (387, 650056), (396, 635282), (473, 531864), (498, 505164), (516, 487542), (534, 471108), (664, 378873), (712, 353331), (747, 336776), (774, 325028), (792, 317641), (801, 314072), (913, 275544), (946, 265932), (979, 256968), (996, 252582), (1032, 243771), (1068, 235554), (1419, 177288), (1494, 168388), (1548, 162514), (1602, 157036), (1826, 137772), (1892, 132966), (1958, 128484), (1992, 126291), (2136, 117777), (2739, 91848), (2838, 88644), (2937, 85656), (2988, 84194), (3096, 81257), (3204, 78518), (3569, 70488), (3652, 68886), (3784, 66483), (3827, 65736), (3916, 64242), (4257, 59096), (5478, 45924), (5676, 44322), (5874, 42828), (5976, 42097), (6408, 39259), (7138, 35244), (7304, 34443), (7387, 34056), (7654, 32868), (7832, 32121), (8217, 30616), (8514, 29548), (8811, 28552), (10707, 23496), (10956, 22962), (11352, 22161), (11481, 21912), (11748, 21414), (14276, 17622), (14774, 17028), (15308, 16434)]