81628288

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:294

約数の個数: 128

約数和(自身を含む): 206219520

約数和(自身を除く): 124591232

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 32, 34, 46, 56, 64, 68, 92, 112, 119, 128, 136, 161, 184, 224, 233, 238, 272, 322, 368, 391, 448, 466, 476, 544, 644, 736, 782, 896, 932, 952, 1088, 1288, 1472, 1564, 1631, 1864, 1904, 2176, 2576, 2737, 2944, 3128, 3262, 3728, 3808, 3961, 5152, 5359, 5474, 6256, 6524, 7456, 7616, 7922, 10304, 10718, 10948, 12512, 13048, 14912, 15232, 15844, 20608, 21436, 21896, 25024, 26096, 27727, 29824, 31688, 37513, 42872, 43792, 50048, 52192, 55454, 63376, 75026, 85744, 87584, 91103, 104384, 110908, 126752, 150052, 171488, 175168, 182206, 208768, 221816, 253504, 300104, 342976, 350336, 364412, 443632, 507008, 600208, 637721, 685952, 728824, 887264, 1200416, 1275442, 1457648, 1774528, 2400832, 2550884, 2915296, 3549056, 4801664, 5101768, 5830592, 10203536, 11661184, 20407072, 40814144, 81628288]

約数ペア:

[(1, 81628288), (2, 40814144), (4, 20407072), (7, 11661184), (8, 10203536), (14, 5830592), (16, 5101768), (17, 4801664), (23, 3549056), (28, 2915296), (32, 2550884), (34, 2400832), (46, 1774528), (56, 1457648), (64, 1275442), (68, 1200416), (92, 887264), (112, 728824), (119, 685952), (128, 637721), (136, 600208), (161, 507008), (184, 443632), (224, 364412), (233, 350336), (238, 342976), (272, 300104), (322, 253504), (368, 221816), (391, 208768), (448, 182206), (466, 175168), (476, 171488), (544, 150052), (644, 126752), (736, 110908), (782, 104384), (896, 91103), (932, 87584), (952, 85744), (1088, 75026), (1288, 63376), (1472, 55454), (1564, 52192), (1631, 50048), (1864, 43792), (1904, 42872), (2176, 37513), (2576, 31688), (2737, 29824), (2944, 27727), (3128, 26096), (3262, 25024), (3728, 21896), (3808, 21436), (3961, 20608), (5152, 15844), (5359, 15232), (5474, 14912), (6256, 13048), (6524, 12512), (7456, 10948), (7616, 10718), (7922, 10304)]