81955328

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1759}}^1$

素因数の和:1797

約数の個数: 80

約数和(自身を含む): 201653760

約数和(自身を除く): 119698432

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 512, 728, 832, 896, 1456, 1664, 1759, 1792, 2912, 3328, 3518, 3584, 5824, 6656, 7036, 11648, 12313, 14072, 22867, 23296, 24626, 28144, 45734, 46592, 49252, 56288, 91468, 98504, 112576, 160069, 182936, 197008, 225152, 320138, 365872, 394016, 450304, 640276, 731744, 788032, 900608, 1280552, 1463488, 1576064, 2561104, 2926976, 3152128, 5122208, 5853952, 6304256, 10244416, 11707904, 20488832, 40977664, 81955328]

約数ペア:

[(1, 81955328), (2, 40977664), (4, 20488832), (7, 11707904), (8, 10244416), (13, 6304256), (14, 5853952), (16, 5122208), (26, 3152128), (28, 2926976), (32, 2561104), (52, 1576064), (56, 1463488), (64, 1280552), (91, 900608), (104, 788032), (112, 731744), (128, 640276), (182, 450304), (208, 394016), (224, 365872), (256, 320138), (364, 225152), (416, 197008), (448, 182936), (512, 160069), (728, 112576), (832, 98504), (896, 91468), (1456, 56288), (1664, 49252), (1759, 46592), (1792, 45734), (2912, 28144), (3328, 24626), (3518, 23296), (3584, 22867), (5824, 14072), (6656, 12313), (7036, 11648)]