257968128

素因数分解:

$2^{11}\times 3^1\times {\mathrm{11}}^2\times {\mathrm{347}}^1$

素因数の和:394

約数の個数: 144

約数和(自身を含む): 758131920

約数和(自身を除く): 500163792

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 121, 128, 132, 176, 192, 242, 256, 264, 347, 352, 363, 384, 484, 512, 528, 694, 704, 726, 768, 968, 1024, 1041, 1056, 1388, 1408, 1452, 1536, 1936, 2048, 2082, 2112, 2776, 2816, 2904, 3072, 3817, 3872, 4164, 4224, 5552, 5632, 5808, 6144, 7634, 7744, 8328, 8448, 11104, 11264, 11451, 11616, 15268, 15488, 16656, 16896, 22208, 22528, 22902, 23232, 30536, 30976, 33312, 33792, 41987, 44416, 45804, 46464, 61072, 61952, 66624, 67584, 83974, 88832, 91608, 92928, 122144, 123904, 125961, 133248, 167948, 177664, 183216, 185856, 244288, 247808, 251922, 266496, 335896, 355328, 366432, 371712, 488576, 503844, 532992, 671792, 710656, 732864, 743424, 977152, 1007688, 1065984, 1343584, 1465728, 1954304, 2015376, 2131968, 2687168, 2931456, 3908608, 4030752, 5374336, 5862912, 7817216, 8061504, 10748672, 11725824, 16123008, 21497344, 23451648, 32246016, 42994688, 64492032, 85989376, 128984064, 257968128]

約数ペア:

[(1, 257968128), (2, 128984064), (3, 85989376), (4, 64492032), (6, 42994688), (8, 32246016), (11, 23451648), (12, 21497344), (16, 16123008), (22, 11725824), (24, 10748672), (32, 8061504), (33, 7817216), (44, 5862912), (48, 5374336), (64, 4030752), (66, 3908608), (88, 2931456), (96, 2687168), (121, 2131968), (128, 2015376), (132, 1954304), (176, 1465728), (192, 1343584), (242, 1065984), (256, 1007688), (264, 977152), (347, 743424), (352, 732864), (363, 710656), (384, 671792), (484, 532992), (512, 503844), (528, 488576), (694, 371712), (704, 366432), (726, 355328), (768, 335896), (968, 266496), (1024, 251922), (1041, 247808), (1056, 244288), (1388, 185856), (1408, 183216), (1452, 177664), (1536, 167948), (1936, 133248), (2048, 125961), (2082, 123904), (2112, 122144), (2776, 92928), (2816, 91608), (2904, 88832), (3072, 83974), (3817, 67584), (3872, 66624), (4164, 61952), (4224, 61072), (5552, 46464), (5632, 45804), (5808, 44416), (6144, 41987), (7634, 33792), (7744, 33312), (8328, 30976), (8448, 30536), (11104, 23232), (11264, 22902), (11451, 22528), (11616, 22208), (15268, 16896), (15488, 16656)]