257675712

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:539

約数の個数: 168

約数和(自身を含む): 807872400

約数和(自身を除く): 550196688

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 61, 64, 84, 96, 98, 112, 122, 147, 168, 183, 192, 196, 224, 244, 294, 336, 366, 392, 427, 448, 449, 488, 588, 672, 732, 784, 854, 898, 976, 1176, 1281, 1344, 1347, 1464, 1568, 1708, 1796, 1952, 2352, 2562, 2694, 2928, 2989, 3136, 3143, 3416, 3592, 3904, 4704, 5124, 5388, 5856, 5978, 6286, 6832, 7184, 8967, 9408, 9429, 10248, 10776, 11712, 11956, 12572, 13664, 14368, 17934, 18858, 20496, 21552, 22001, 23912, 25144, 27328, 27389, 28736, 35868, 37716, 40992, 43104, 44002, 47824, 50288, 54778, 66003, 71736, 75432, 81984, 82167, 86208, 88004, 95648, 100576, 109556, 132006, 143472, 150864, 164334, 176008, 191296, 191723, 201152, 219112, 264012, 286944, 301728, 328668, 352016, 383446, 438224, 528024, 573888, 575169, 603456, 657336, 704032, 766892, 876448, 1056048, 1150338, 1314672, 1342061, 1408064, 1533784, 1752896, 2112096, 2300676, 2629344, 2684122, 3067568, 4026183, 4224192, 4601352, 5258688, 5368244, 6135136, 8052366, 9202704, 10736488, 12270272, 16104732, 18405408, 21472976, 32209464, 36810816, 42945952, 64418928, 85891904, 128837856, 257675712]

約数ペア:

[(1, 257675712), (2, 128837856), (3, 85891904), (4, 64418928), (6, 42945952), (7, 36810816), (8, 32209464), (12, 21472976), (14, 18405408), (16, 16104732), (21, 12270272), (24, 10736488), (28, 9202704), (32, 8052366), (42, 6135136), (48, 5368244), (49, 5258688), (56, 4601352), (61, 4224192), (64, 4026183), (84, 3067568), (96, 2684122), (98, 2629344), (112, 2300676), (122, 2112096), (147, 1752896), (168, 1533784), (183, 1408064), (192, 1342061), (196, 1314672), (224, 1150338), (244, 1056048), (294, 876448), (336, 766892), (366, 704032), (392, 657336), (427, 603456), (448, 575169), (449, 573888), (488, 528024), (588, 438224), (672, 383446), (732, 352016), (784, 328668), (854, 301728), (898, 286944), (976, 264012), (1176, 219112), (1281, 201152), (1344, 191723), (1347, 191296), (1464, 176008), (1568, 164334), (1708, 150864), (1796, 143472), (1952, 132006), (2352, 109556), (2562, 100576), (2694, 95648), (2928, 88004), (2989, 86208), (3136, 82167), (3143, 81984), (3416, 75432), (3592, 71736), (3904, 66003), (4704, 54778), (5124, 50288), (5388, 47824), (5856, 44002), (5978, 43104), (6286, 40992), (6832, 37716), (7184, 35868), (8967, 28736), (9408, 27389), (9429, 27328), (10248, 25144), (10776, 23912), (11712, 22001), (11956, 21552), (12572, 20496), (13664, 18858), (14368, 17934)]