256543232

素因数分解:

$2^9\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:182

約数の個数: 120

約数和(自身を含む): 582876756

約数和(自身を除く): 326333524

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 64, 82, 88, 101, 121, 128, 164, 176, 202, 242, 256, 328, 352, 404, 451, 484, 512, 656, 704, 808, 902, 968, 1111, 1312, 1408, 1616, 1804, 1936, 2222, 2624, 2816, 3232, 3608, 3872, 4141, 4444, 4961, 5248, 5632, 6464, 7216, 7744, 8282, 8888, 9922, 10496, 12221, 12928, 14432, 15488, 16564, 17776, 19844, 20992, 24442, 25856, 28864, 30976, 33128, 35552, 39688, 45551, 48884, 51712, 57728, 61952, 66256, 71104, 79376, 91102, 97768, 115456, 132512, 142208, 158752, 182204, 195536, 230912, 265024, 284416, 317504, 364408, 391072, 501061, 530048, 568832, 635008, 728816, 782144, 1002122, 1060096, 1270016, 1457632, 1564288, 2004244, 2120192, 2540032, 2915264, 3128576, 4008488, 5830528, 6257152, 8016976, 11661056, 16033952, 23322112, 32067904, 64135808, 128271616, 256543232]

約数ペア:

[(1, 256543232), (2, 128271616), (4, 64135808), (8, 32067904), (11, 23322112), (16, 16033952), (22, 11661056), (32, 8016976), (41, 6257152), (44, 5830528), (64, 4008488), (82, 3128576), (88, 2915264), (101, 2540032), (121, 2120192), (128, 2004244), (164, 1564288), (176, 1457632), (202, 1270016), (242, 1060096), (256, 1002122), (328, 782144), (352, 728816), (404, 635008), (451, 568832), (484, 530048), (512, 501061), (656, 391072), (704, 364408), (808, 317504), (902, 284416), (968, 265024), (1111, 230912), (1312, 195536), (1408, 182204), (1616, 158752), (1804, 142208), (1936, 132512), (2222, 115456), (2624, 97768), (2816, 91102), (3232, 79376), (3608, 71104), (3872, 66256), (4141, 61952), (4444, 57728), (4961, 51712), (5248, 48884), (5632, 45551), (6464, 39688), (7216, 35552), (7744, 33128), (8282, 30976), (8888, 28864), (9922, 25856), (10496, 24442), (12221, 20992), (12928, 19844), (14432, 17776), (15488, 16564)]