28257152

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 128

約数和(自身を含む): 72852480

約数和(自身を除く): 44595328

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 47, 56, 61, 64, 77, 88, 94, 112, 122, 128, 154, 176, 188, 224, 244, 308, 329, 352, 376, 427, 448, 488, 517, 616, 658, 671, 704, 752, 854, 896, 976, 1034, 1232, 1316, 1342, 1408, 1504, 1708, 1952, 2068, 2464, 2632, 2684, 2867, 3008, 3416, 3619, 3904, 4136, 4697, 4928, 5264, 5368, 5734, 6016, 6832, 7238, 7808, 8272, 9394, 9856, 10528, 10736, 11468, 13664, 14476, 16544, 18788, 20069, 21056, 21472, 22936, 27328, 28952, 31537, 33088, 37576, 40138, 42112, 42944, 45872, 54656, 57904, 63074, 66176, 75152, 80276, 85888, 91744, 115808, 126148, 150304, 160552, 183488, 220759, 231616, 252296, 300608, 321104, 366976, 441518, 463232, 504592, 601216, 642208, 883036, 1009184, 1284416, 1766072, 2018368, 2568832, 3532144, 4036736, 7064288, 14128576, 28257152]

約数ペア:

[(1, 28257152), (2, 14128576), (4, 7064288), (7, 4036736), (8, 3532144), (11, 2568832), (14, 2018368), (16, 1766072), (22, 1284416), (28, 1009184), (32, 883036), (44, 642208), (47, 601216), (56, 504592), (61, 463232), (64, 441518), (77, 366976), (88, 321104), (94, 300608), (112, 252296), (122, 231616), (128, 220759), (154, 183488), (176, 160552), (188, 150304), (224, 126148), (244, 115808), (308, 91744), (329, 85888), (352, 80276), (376, 75152), (427, 66176), (448, 63074), (488, 57904), (517, 54656), (616, 45872), (658, 42944), (671, 42112), (704, 40138), (752, 37576), (854, 33088), (896, 31537), (976, 28952), (1034, 27328), (1232, 22936), (1316, 21472), (1342, 21056), (1408, 20069), (1504, 18788), (1708, 16544), (1952, 14476), (2068, 13664), (2464, 11468), (2632, 10736), (2684, 10528), (2867, 9856), (3008, 9394), (3416, 8272), (3619, 7808), (3904, 7238), (4136, 6832), (4697, 6016), (4928, 5734), (5264, 5368)]