257870144

素因数分解:

$2^6\times 7^3\times {\mathrm{17}}^1\times {\mathrm{691}}^1$

素因数の和:741

約数の個数: 112

約数和(自身を含む): 632764800

約数和(自身を除く): 374894656

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 64, 68, 98, 112, 119, 136, 196, 224, 238, 272, 343, 392, 448, 476, 544, 686, 691, 784, 833, 952, 1088, 1372, 1382, 1568, 1666, 1904, 2744, 2764, 3136, 3332, 3808, 4837, 5488, 5528, 5831, 6664, 7616, 9674, 10976, 11056, 11662, 11747, 13328, 19348, 21952, 22112, 23324, 23494, 26656, 33859, 38696, 44224, 46648, 46988, 53312, 67718, 77392, 82229, 93296, 93976, 135436, 154784, 164458, 186592, 187952, 237013, 270872, 309568, 328916, 373184, 375904, 474026, 541744, 575603, 657832, 751808, 948052, 1083488, 1151206, 1315664, 1896104, 2166976, 2302412, 2631328, 3792208, 4029221, 4604824, 5262656, 7584416, 8058442, 9209648, 15168832, 16116884, 18419296, 32233768, 36838592, 64467536, 128935072, 257870144]

約数ペア:

[(1, 257870144), (2, 128935072), (4, 64467536), (7, 36838592), (8, 32233768), (14, 18419296), (16, 16116884), (17, 15168832), (28, 9209648), (32, 8058442), (34, 7584416), (49, 5262656), (56, 4604824), (64, 4029221), (68, 3792208), (98, 2631328), (112, 2302412), (119, 2166976), (136, 1896104), (196, 1315664), (224, 1151206), (238, 1083488), (272, 948052), (343, 751808), (392, 657832), (448, 575603), (476, 541744), (544, 474026), (686, 375904), (691, 373184), (784, 328916), (833, 309568), (952, 270872), (1088, 237013), (1372, 187952), (1382, 186592), (1568, 164458), (1666, 154784), (1904, 135436), (2744, 93976), (2764, 93296), (3136, 82229), (3332, 77392), (3808, 67718), (4837, 53312), (5488, 46988), (5528, 46648), (5831, 44224), (6664, 38696), (7616, 33859), (9674, 26656), (10976, 23494), (11056, 23324), (11662, 22112), (11747, 21952), (13328, 19348)]