638316288

素因数分解:

$2^8\times 3^5\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:393

約数の個数: 216

約数和(自身を含む): 1976106496

約数和(自身を除く): 1337790208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 81, 93, 96, 108, 124, 128, 144, 162, 186, 192, 216, 243, 248, 256, 279, 288, 324, 331, 372, 384, 432, 486, 496, 558, 576, 648, 662, 744, 768, 837, 864, 972, 992, 993, 1116, 1152, 1296, 1324, 1488, 1674, 1728, 1944, 1984, 1986, 2232, 2304, 2511, 2592, 2648, 2976, 2979, 3348, 3456, 3888, 3968, 3972, 4464, 5022, 5184, 5296, 5952, 5958, 6696, 6912, 7533, 7776, 7936, 7944, 8928, 8937, 10044, 10261, 10368, 10592, 11904, 11916, 13392, 15066, 15552, 15888, 17856, 17874, 20088, 20522, 20736, 21184, 23808, 23832, 26784, 26811, 30132, 30783, 31104, 31776, 35712, 35748, 40176, 41044, 42368, 47664, 53568, 53622, 60264, 61566, 62208, 63552, 71424, 71496, 80352, 80433, 82088, 84736, 92349, 95328, 107136, 107244, 120528, 123132, 127104, 142992, 160704, 160866, 164176, 184698, 190656, 214272, 214488, 241056, 246264, 254208, 277047, 285984, 321408, 321732, 328352, 369396, 381312, 428976, 482112, 492528, 554094, 571968, 642816, 643464, 656704, 738792, 762624, 831141, 857952, 964224, 985056, 1108188, 1143936, 1286928, 1313408, 1477584, 1662282, 1715904, 1928448, 1970112, 2216376, 2287872, 2493423, 2573856, 2626816, 2955168, 3324564, 3431808, 3940224, 4432752, 4986846, 5147712, 5910336, 6649128, 6863616, 7880448, 8865504, 9973692, 10295424, 11820672, 13298256, 17731008, 19947384, 20590848, 23641344, 26596512, 35462016, 39894768, 53193024, 70924032, 79789536, 106386048, 159579072, 212772096, 319158144, 638316288]

約数ペア:

[(1, 638316288), (2, 319158144), (3, 212772096), (4, 159579072), (6, 106386048), (8, 79789536), (9, 70924032), (12, 53193024), (16, 39894768), (18, 35462016), (24, 26596512), (27, 23641344), (31, 20590848), (32, 19947384), (36, 17731008), (48, 13298256), (54, 11820672), (62, 10295424), (64, 9973692), (72, 8865504), (81, 7880448), (93, 6863616), (96, 6649128), (108, 5910336), (124, 5147712), (128, 4986846), (144, 4432752), (162, 3940224), (186, 3431808), (192, 3324564), (216, 2955168), (243, 2626816), (248, 2573856), (256, 2493423), (279, 2287872), (288, 2216376), (324, 1970112), (331, 1928448), (372, 1715904), (384, 1662282), (432, 1477584), (486, 1313408), (496, 1286928), (558, 1143936), (576, 1108188), (648, 985056), (662, 964224), (744, 857952), (768, 831141), (837, 762624), (864, 738792), (972, 656704), (992, 643464), (993, 642816), (1116, 571968), (1152, 554094), (1296, 492528), (1324, 482112), (1488, 428976), (1674, 381312), (1728, 369396), (1944, 328352), (1984, 321732), (1986, 321408), (2232, 285984), (2304, 277047), (2511, 254208), (2592, 246264), (2648, 241056), (2976, 214488), (2979, 214272), (3348, 190656), (3456, 184698), (3888, 164176), (3968, 160866), (3972, 160704), (4464, 142992), (5022, 127104), (5184, 123132), (5296, 120528), (5952, 107244), (5958, 107136), (6696, 95328), (6912, 92349), (7533, 84736), (7776, 82088), (7936, 80433), (7944, 80352), (8928, 71496), (8937, 71424), (10044, 63552), (10261, 62208), (10368, 61566), (10592, 60264), (11904, 53622), (11916, 53568), (13392, 47664), (15066, 42368), (15552, 41044), (15888, 40176), (17856, 35748), (17874, 35712), (20088, 31776), (20522, 31104), (20736, 30783), (21184, 30132), (23808, 26811), (23832, 26784)]