257446656

素因数分解:

$2^8\times 3^2\times {\mathrm{19}}^1\times {\mathrm{5881}}^1$

素因数の和:5922

約数の個数: 108

約数和(自身を含む): 781482520

約数和(自身を除く): 524035864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 128, 144, 152, 171, 192, 228, 256, 288, 304, 342, 384, 456, 576, 608, 684, 768, 912, 1152, 1216, 1368, 1824, 2304, 2432, 2736, 3648, 4864, 5472, 5881, 7296, 10944, 11762, 14592, 17643, 21888, 23524, 35286, 43776, 47048, 52929, 70572, 94096, 105858, 111739, 141144, 188192, 211716, 223478, 282288, 335217, 376384, 423432, 446956, 564576, 670434, 752768, 846864, 893912, 1005651, 1129152, 1340868, 1505536, 1693728, 1787824, 2011302, 2258304, 2681736, 3387456, 3575648, 4022604, 4516608, 5363472, 6774912, 7151296, 8045208, 10726944, 13549824, 14302592, 16090416, 21453888, 28605184, 32180832, 42907776, 64361664, 85815552, 128723328, 257446656]

約数ペア:

[(1, 257446656), (2, 128723328), (3, 85815552), (4, 64361664), (6, 42907776), (8, 32180832), (9, 28605184), (12, 21453888), (16, 16090416), (18, 14302592), (19, 13549824), (24, 10726944), (32, 8045208), (36, 7151296), (38, 6774912), (48, 5363472), (57, 4516608), (64, 4022604), (72, 3575648), (76, 3387456), (96, 2681736), (114, 2258304), (128, 2011302), (144, 1787824), (152, 1693728), (171, 1505536), (192, 1340868), (228, 1129152), (256, 1005651), (288, 893912), (304, 846864), (342, 752768), (384, 670434), (456, 564576), (576, 446956), (608, 423432), (684, 376384), (768, 335217), (912, 282288), (1152, 223478), (1216, 211716), (1368, 188192), (1824, 141144), (2304, 111739), (2432, 105858), (2736, 94096), (3648, 70572), (4864, 52929), (5472, 47048), (5881, 43776), (7296, 35286), (10944, 23524), (11762, 21888), (14592, 17643)]