1278851392

素因数分解:

$2^6\times 7^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:198

約数の個数: 252

約数和(自身を含む): 3391326720

約数和(自身を除く): 2112475328

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 49, 52, 56, 64, 76, 91, 98, 104, 112, 127, 133, 152, 169, 182, 196, 208, 224, 247, 254, 266, 304, 338, 364, 392, 416, 448, 494, 508, 532, 608, 637, 676, 728, 784, 832, 889, 931, 988, 1016, 1064, 1183, 1216, 1274, 1352, 1456, 1568, 1651, 1729, 1778, 1862, 1976, 2032, 2128, 2366, 2413, 2548, 2704, 2912, 3136, 3211, 3302, 3458, 3556, 3724, 3952, 4064, 4256, 4732, 4826, 5096, 5408, 5824, 6223, 6422, 6604, 6916, 7112, 7448, 7904, 8128, 8281, 8512, 9464, 9652, 10192, 10816, 11557, 12103, 12446, 12844, 13208, 13832, 14224, 14896, 15808, 16562, 16891, 18928, 19304, 20384, 21463, 22477, 23114, 24206, 24892, 25688, 26416, 27664, 28448, 29792, 31369, 33124, 33782, 37856, 38608, 40768, 42926, 44954, 46228, 48412, 49784, 51376, 52832, 55328, 56896, 59584, 62738, 66248, 67564, 75712, 77216, 80899, 85852, 89908, 92456, 96824, 99568, 102752, 105664, 110656, 118237, 125476, 132496, 135128, 150241, 154432, 157339, 161798, 171704, 179816, 184912, 193648, 199136, 205504, 219583, 236474, 250952, 264992, 270256, 300482, 314678, 323596, 343408, 359632, 369824, 387296, 398272, 407797, 439166, 472948, 501904, 529984, 540512, 600964, 629356, 647192, 686816, 719264, 739648, 774592, 815594, 878332, 945896, 1003808, 1051687, 1081024, 1201928, 1258712, 1294384, 1373632, 1438528, 1537081, 1631188, 1756664, 1891792, 2007616, 2103374, 2403856, 2517424, 2588768, 2854579, 3074162, 3262376, 3513328, 3783584, 4206748, 4807712, 5034848, 5177536, 5709158, 6148324, 6524752, 7026656, 7567168, 8413496, 9615424, 10069696, 11418316, 12296648, 13049504, 14053312, 16826992, 19982053, 22836632, 24593296, 26099008, 33653984, 39964106, 45673264, 49186592, 67307968, 79928212, 91346528, 98373184, 159856424, 182693056, 319712848, 639425696, 1278851392]

約数ペア:

[(1, 1278851392), (2, 639425696), (4, 319712848), (7, 182693056), (8, 159856424), (13, 98373184), (14, 91346528), (16, 79928212), (19, 67307968), (26, 49186592), (28, 45673264), (32, 39964106), (38, 33653984), (49, 26099008), (52, 24593296), (56, 22836632), (64, 19982053), (76, 16826992), (91, 14053312), (98, 13049504), (104, 12296648), (112, 11418316), (127, 10069696), (133, 9615424), (152, 8413496), (169, 7567168), (182, 7026656), (196, 6524752), (208, 6148324), (224, 5709158), (247, 5177536), (254, 5034848), (266, 4807712), (304, 4206748), (338, 3783584), (364, 3513328), (392, 3262376), (416, 3074162), (448, 2854579), (494, 2588768), (508, 2517424), (532, 2403856), (608, 2103374), (637, 2007616), (676, 1891792), (728, 1756664), (784, 1631188), (832, 1537081), (889, 1438528), (931, 1373632), (988, 1294384), (1016, 1258712), (1064, 1201928), (1183, 1081024), (1216, 1051687), (1274, 1003808), (1352, 945896), (1456, 878332), (1568, 815594), (1651, 774592), (1729, 739648), (1778, 719264), (1862, 686816), (1976, 647192), (2032, 629356), (2128, 600964), (2366, 540512), (2413, 529984), (2548, 501904), (2704, 472948), (2912, 439166), (3136, 407797), (3211, 398272), (3302, 387296), (3458, 369824), (3556, 359632), (3724, 343408), (3952, 323596), (4064, 314678), (4256, 300482), (4732, 270256), (4826, 264992), (5096, 250952), (5408, 236474), (5824, 219583), (6223, 205504), (6422, 199136), (6604, 193648), (6916, 184912), (7112, 179816), (7448, 171704), (7904, 161798), (8128, 157339), (8281, 154432), (8512, 150241), (9464, 135128), (9652, 132496), (10192, 125476), (10816, 118237), (11557, 110656), (12103, 105664), (12446, 102752), (12844, 99568), (13208, 96824), (13832, 92456), (14224, 89908), (14896, 85852), (15808, 80899), (16562, 77216), (16891, 75712), (18928, 67564), (19304, 66248), (20384, 62738), (21463, 59584), (22477, 56896), (23114, 55328), (24206, 52832), (24892, 51376), (25688, 49784), (26416, 48412), (27664, 46228), (28448, 44954), (29792, 42926), (31369, 40768), (33124, 38608), (33782, 37856)]