81686528

素因数分解:

$2^{12}\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:86

約数の個数: 156

約数和(自身を含む): 212900472

約数和(自身を除く): 131213944

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 37, 44, 49, 56, 64, 74, 77, 88, 98, 112, 128, 148, 154, 176, 196, 224, 256, 259, 296, 308, 352, 392, 407, 448, 512, 518, 539, 592, 616, 704, 784, 814, 896, 1024, 1036, 1078, 1184, 1232, 1408, 1568, 1628, 1792, 1813, 2048, 2072, 2156, 2368, 2464, 2816, 2849, 3136, 3256, 3584, 3626, 4096, 4144, 4312, 4736, 4928, 5632, 5698, 6272, 6512, 7168, 7252, 8288, 8624, 9472, 9856, 11264, 11396, 12544, 13024, 14336, 14504, 16576, 17248, 18944, 19712, 19943, 22528, 22792, 25088, 26048, 28672, 29008, 33152, 34496, 37888, 39424, 39886, 45056, 45584, 50176, 52096, 58016, 66304, 68992, 75776, 78848, 79772, 91168, 100352, 104192, 116032, 132608, 137984, 151552, 157696, 159544, 182336, 200704, 208384, 232064, 265216, 275968, 315392, 319088, 364672, 416768, 464128, 530432, 551936, 638176, 729344, 833536, 928256, 1060864, 1103872, 1276352, 1458688, 1667072, 1856512, 2207744, 2552704, 2917376, 3713024, 5105408, 5834752, 7426048, 10210816, 11669504, 20421632, 40843264, 81686528]

約数ペア:

[(1, 81686528), (2, 40843264), (4, 20421632), (7, 11669504), (8, 10210816), (11, 7426048), (14, 5834752), (16, 5105408), (22, 3713024), (28, 2917376), (32, 2552704), (37, 2207744), (44, 1856512), (49, 1667072), (56, 1458688), (64, 1276352), (74, 1103872), (77, 1060864), (88, 928256), (98, 833536), (112, 729344), (128, 638176), (148, 551936), (154, 530432), (176, 464128), (196, 416768), (224, 364672), (256, 319088), (259, 315392), (296, 275968), (308, 265216), (352, 232064), (392, 208384), (407, 200704), (448, 182336), (512, 159544), (518, 157696), (539, 151552), (592, 137984), (616, 132608), (704, 116032), (784, 104192), (814, 100352), (896, 91168), (1024, 79772), (1036, 78848), (1078, 75776), (1184, 68992), (1232, 66304), (1408, 58016), (1568, 52096), (1628, 50176), (1792, 45584), (1813, 45056), (2048, 39886), (2072, 39424), (2156, 37888), (2368, 34496), (2464, 33152), (2816, 29008), (2849, 28672), (3136, 26048), (3256, 25088), (3584, 22792), (3626, 22528), (4096, 19943), (4144, 19712), (4312, 18944), (4736, 17248), (4928, 16576), (5632, 14504), (5698, 14336), (6272, 13024), (6512, 12544), (7168, 11396), (7252, 11264), (8288, 9856), (8624, 9472)]