1997693568

素因数分解:

$2^7\times 3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:408

約数の個数: 288

約数和(自身を含む): 6444996480

約数和(自身を除く): 4447302912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 32, 36, 39, 48, 52, 62, 64, 72, 78, 93, 96, 104, 117, 124, 128, 144, 156, 169, 186, 192, 208, 234, 248, 279, 288, 312, 331, 338, 372, 384, 403, 416, 468, 496, 507, 558, 576, 624, 662, 676, 744, 806, 832, 936, 992, 993, 1014, 1116, 1152, 1209, 1248, 1324, 1352, 1488, 1521, 1612, 1664, 1872, 1984, 1986, 2028, 2232, 2418, 2496, 2648, 2704, 2976, 2979, 3042, 3224, 3627, 3744, 3968, 3972, 4056, 4303, 4464, 4836, 4992, 5239, 5296, 5408, 5952, 5958, 6084, 6448, 7254, 7488, 7944, 8112, 8606, 8928, 9672, 10261, 10478, 10592, 10816, 11904, 11916, 12168, 12896, 12909, 14508, 14976, 15717, 15888, 16224, 17212, 17856, 19344, 20522, 20956, 21184, 21632, 23832, 24336, 25792, 25818, 29016, 30783, 31434, 31776, 32448, 34424, 35712, 38688, 38727, 41044, 41912, 42368, 47151, 47664, 48672, 51584, 51636, 55939, 58032, 61566, 62868, 63552, 64896, 68848, 77376, 77454, 82088, 83824, 92349, 94302, 95328, 97344, 103272, 111878, 116064, 123132, 125736, 127104, 133393, 137696, 154752, 154908, 164176, 167648, 167817, 184698, 188604, 190656, 194688, 206544, 223756, 232128, 246264, 251472, 266786, 275392, 309816, 328352, 335296, 335634, 369396, 377208, 381312, 400179, 413088, 447512, 464256, 492528, 502944, 503451, 533572, 550784, 619632, 656704, 670592, 671268, 738792, 754416, 800358, 826176, 895024, 985056, 1005888, 1006902, 1067144, 1200537, 1239264, 1313408, 1342536, 1477584, 1508832, 1600716, 1652352, 1734109, 1790048, 1970112, 2011776, 2013804, 2134288, 2401074, 2478528, 2685072, 2955168, 3017664, 3201432, 3468218, 3580096, 3940224, 4027608, 4268576, 4802148, 4957056, 5202327, 5370144, 5910336, 6035328, 6402864, 6936436, 7160192, 8055216, 8537152, 9604296, 10404654, 10740288, 11820672, 12805728, 13872872, 15606981, 16110432, 17074304, 19208592, 20809308, 21480576, 25611456, 27745744, 31213962, 32220864, 38417184, 41618616, 51222912, 55491488, 62427924, 64441728, 76834368, 83237232, 110982976, 124855848, 153668736, 166474464, 221965952, 249711696, 332948928, 499423392, 665897856, 998846784, 1997693568]

約数ペア:

[(1, 1997693568), (2, 998846784), (3, 665897856), (4, 499423392), (6, 332948928), (8, 249711696), (9, 221965952), (12, 166474464), (13, 153668736), (16, 124855848), (18, 110982976), (24, 83237232), (26, 76834368), (31, 64441728), (32, 62427924), (36, 55491488), (39, 51222912), (48, 41618616), (52, 38417184), (62, 32220864), (64, 31213962), (72, 27745744), (78, 25611456), (93, 21480576), (96, 20809308), (104, 19208592), (117, 17074304), (124, 16110432), (128, 15606981), (144, 13872872), (156, 12805728), (169, 11820672), (186, 10740288), (192, 10404654), (208, 9604296), (234, 8537152), (248, 8055216), (279, 7160192), (288, 6936436), (312, 6402864), (331, 6035328), (338, 5910336), (372, 5370144), (384, 5202327), (403, 4957056), (416, 4802148), (468, 4268576), (496, 4027608), (507, 3940224), (558, 3580096), (576, 3468218), (624, 3201432), (662, 3017664), (676, 2955168), (744, 2685072), (806, 2478528), (832, 2401074), (936, 2134288), (992, 2013804), (993, 2011776), (1014, 1970112), (1116, 1790048), (1152, 1734109), (1209, 1652352), (1248, 1600716), (1324, 1508832), (1352, 1477584), (1488, 1342536), (1521, 1313408), (1612, 1239264), (1664, 1200537), (1872, 1067144), (1984, 1006902), (1986, 1005888), (2028, 985056), (2232, 895024), (2418, 826176), (2496, 800358), (2648, 754416), (2704, 738792), (2976, 671268), (2979, 670592), (3042, 656704), (3224, 619632), (3627, 550784), (3744, 533572), (3968, 503451), (3972, 502944), (4056, 492528), (4303, 464256), (4464, 447512), (4836, 413088), (4992, 400179), (5239, 381312), (5296, 377208), (5408, 369396), (5952, 335634), (5958, 335296), (6084, 328352), (6448, 309816), (7254, 275392), (7488, 266786), (7944, 251472), (8112, 246264), (8606, 232128), (8928, 223756), (9672, 206544), (10261, 194688), (10478, 190656), (10592, 188604), (10816, 184698), (11904, 167817), (11916, 167648), (12168, 164176), (12896, 154908), (12909, 154752), (14508, 137696), (14976, 133393), (15717, 127104), (15888, 125736), (16224, 123132), (17212, 116064), (17856, 111878), (19344, 103272), (20522, 97344), (20956, 95328), (21184, 94302), (21632, 92349), (23832, 83824), (24336, 82088), (25792, 77454), (25818, 77376), (29016, 68848), (30783, 64896), (31434, 63552), (31776, 62868), (32448, 61566), (34424, 58032), (35712, 55939), (38688, 51636), (38727, 51584), (41044, 48672), (41912, 47664), (42368, 47151)]