81855488

素因数分解:

$2^{10}\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 132

約数和(自身を含む): 197789328

約数和(自身を除く): 115933840

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 43, 44, 52, 64, 86, 88, 104, 128, 143, 169, 172, 176, 208, 256, 286, 338, 344, 352, 416, 473, 512, 559, 572, 676, 688, 704, 832, 946, 1024, 1118, 1144, 1352, 1376, 1408, 1664, 1859, 1892, 2236, 2288, 2704, 2752, 2816, 3328, 3718, 3784, 4472, 4576, 5408, 5504, 5632, 6149, 6656, 7267, 7436, 7568, 8944, 9152, 10816, 11008, 11264, 12298, 13312, 14534, 14872, 15136, 17888, 18304, 21632, 22016, 24596, 29068, 29744, 30272, 35776, 36608, 43264, 44032, 49192, 58136, 59488, 60544, 71552, 73216, 79937, 86528, 98384, 116272, 118976, 121088, 143104, 146432, 159874, 173056, 196768, 232544, 237952, 242176, 286208, 319748, 393536, 465088, 475904, 484352, 572416, 639496, 787072, 930176, 951808, 1278992, 1574144, 1860352, 1903616, 2557984, 3148288, 3720704, 5115968, 6296576, 7441408, 10231936, 20463872, 40927744, 81855488]

約数ペア:

[(1, 81855488), (2, 40927744), (4, 20463872), (8, 10231936), (11, 7441408), (13, 6296576), (16, 5115968), (22, 3720704), (26, 3148288), (32, 2557984), (43, 1903616), (44, 1860352), (52, 1574144), (64, 1278992), (86, 951808), (88, 930176), (104, 787072), (128, 639496), (143, 572416), (169, 484352), (172, 475904), (176, 465088), (208, 393536), (256, 319748), (286, 286208), (338, 242176), (344, 237952), (352, 232544), (416, 196768), (473, 173056), (512, 159874), (559, 146432), (572, 143104), (676, 121088), (688, 118976), (704, 116272), (832, 98384), (946, 86528), (1024, 79937), (1118, 73216), (1144, 71552), (1352, 60544), (1376, 59488), (1408, 58136), (1664, 49192), (1859, 44032), (1892, 43264), (2236, 36608), (2288, 35776), (2704, 30272), (2752, 29744), (2816, 29068), (3328, 24596), (3718, 22016), (3784, 21632), (4472, 18304), (4576, 17888), (5408, 15136), (5504, 14872), (5632, 14534), (6149, 13312), (6656, 12298), (7267, 11264), (7436, 11008), (7568, 10816), (8944, 9152)]