159961984

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:508

約数の個数: 128

約数和(自身を含む): 405780480

約数和(自身を除く): 245818496

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 128, 182, 208, 217, 224, 248, 364, 403, 416, 434, 443, 448, 496, 728, 806, 832, 868, 886, 896, 992, 1456, 1612, 1664, 1736, 1772, 1984, 2821, 2912, 3101, 3224, 3472, 3544, 3968, 5642, 5759, 5824, 6202, 6448, 6944, 7088, 11284, 11518, 11648, 12404, 12896, 13733, 13888, 14176, 22568, 23036, 24808, 25792, 27466, 27776, 28352, 40313, 45136, 46072, 49616, 51584, 54932, 56704, 80626, 90272, 92144, 96131, 99232, 109864, 161252, 178529, 180544, 184288, 192262, 198464, 219728, 322504, 357058, 361088, 368576, 384524, 396928, 439456, 645008, 714116, 737152, 769048, 878912, 1249703, 1290016, 1428232, 1538096, 1757824, 2499406, 2580032, 2856464, 3076192, 4998812, 5160064, 5712928, 6152384, 9997624, 11425856, 12304768, 19995248, 22851712, 39990496, 79980992, 159961984]

約数ペア:

[(1, 159961984), (2, 79980992), (4, 39990496), (7, 22851712), (8, 19995248), (13, 12304768), (14, 11425856), (16, 9997624), (26, 6152384), (28, 5712928), (31, 5160064), (32, 4998812), (52, 3076192), (56, 2856464), (62, 2580032), (64, 2499406), (91, 1757824), (104, 1538096), (112, 1428232), (124, 1290016), (128, 1249703), (182, 878912), (208, 769048), (217, 737152), (224, 714116), (248, 645008), (364, 439456), (403, 396928), (416, 384524), (434, 368576), (443, 361088), (448, 357058), (496, 322504), (728, 219728), (806, 198464), (832, 192262), (868, 184288), (886, 180544), (896, 178529), (992, 161252), (1456, 109864), (1612, 99232), (1664, 96131), (1736, 92144), (1772, 90272), (1984, 80626), (2821, 56704), (2912, 54932), (3101, 51584), (3224, 49616), (3472, 46072), (3544, 45136), (3968, 40313), (5642, 28352), (5759, 27776), (5824, 27466), (6202, 25792), (6448, 24808), (6944, 23036), (7088, 22568), (11284, 14176), (11518, 13888), (11648, 13733), (12404, 12896)]