128966656

素因数分解:

$2^{13}\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:219

約数の個数: 112

約数和(自身を含む): 319271904

約数和(自身を除く): 190305248

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 173, 182, 208, 224, 256, 346, 364, 416, 448, 512, 692, 728, 832, 896, 1024, 1211, 1384, 1456, 1664, 1792, 2048, 2249, 2422, 2768, 2912, 3328, 3584, 4096, 4498, 4844, 5536, 5824, 6656, 7168, 8192, 8996, 9688, 11072, 11648, 13312, 14336, 15743, 17992, 19376, 22144, 23296, 26624, 28672, 31486, 35984, 38752, 44288, 46592, 53248, 57344, 62972, 71968, 77504, 88576, 93184, 106496, 125944, 143936, 155008, 177152, 186368, 251888, 287872, 310016, 354304, 372736, 503776, 575744, 620032, 708608, 745472, 1007552, 1151488, 1240064, 1417216, 2015104, 2302976, 2480128, 4030208, 4605952, 4960256, 8060416, 9211904, 9920512, 16120832, 18423808, 32241664, 64483328, 128966656]

約数ペア:

[(1, 128966656), (2, 64483328), (4, 32241664), (7, 18423808), (8, 16120832), (13, 9920512), (14, 9211904), (16, 8060416), (26, 4960256), (28, 4605952), (32, 4030208), (52, 2480128), (56, 2302976), (64, 2015104), (91, 1417216), (104, 1240064), (112, 1151488), (128, 1007552), (173, 745472), (182, 708608), (208, 620032), (224, 575744), (256, 503776), (346, 372736), (364, 354304), (416, 310016), (448, 287872), (512, 251888), (692, 186368), (728, 177152), (832, 155008), (896, 143936), (1024, 125944), (1211, 106496), (1384, 93184), (1456, 88576), (1664, 77504), (1792, 71968), (2048, 62972), (2249, 57344), (2422, 53248), (2768, 46592), (2912, 44288), (3328, 38752), (3584, 35984), (4096, 31486), (4498, 28672), (4844, 26624), (5536, 23296), (5824, 22144), (6656, 19376), (7168, 17992), (8192, 15743), (8996, 14336), (9688, 13312), (11072, 11648)]