257029146

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:441

約数の個数: 128

約数和(自身を含む): 661478400

約数和(自身を除く): 404449254

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 29, 33, 43, 54, 58, 66, 86, 87, 99, 129, 174, 198, 258, 261, 297, 319, 347, 387, 473, 522, 594, 638, 694, 774, 783, 946, 957, 1041, 1161, 1247, 1419, 1566, 1914, 2082, 2322, 2494, 2838, 2871, 3123, 3741, 3817, 4257, 5742, 6246, 7482, 7634, 8514, 8613, 9369, 10063, 11223, 11451, 12771, 13717, 14921, 17226, 18738, 20126, 22446, 22902, 25542, 27434, 29842, 30189, 33669, 34353, 41151, 44763, 60378, 67338, 68706, 82302, 89526, 90567, 103059, 110693, 123453, 134289, 164131, 181134, 206118, 221386, 246906, 268578, 271701, 328262, 332079, 370359, 402867, 432709, 492393, 543402, 664158, 740718, 805734, 865418, 984786, 996237, 1298127, 1477179, 1992474, 2596254, 2954358, 2988711, 3894381, 4431537, 4759799, 5977422, 7788762, 8863074, 9519598, 11683143, 14279397, 23366286, 28558794, 42838191, 85676382, 128514573, 257029146]

約数ペア:

[(1, 257029146), (2, 128514573), (3, 85676382), (6, 42838191), (9, 28558794), (11, 23366286), (18, 14279397), (22, 11683143), (27, 9519598), (29, 8863074), (33, 7788762), (43, 5977422), (54, 4759799), (58, 4431537), (66, 3894381), (86, 2988711), (87, 2954358), (99, 2596254), (129, 1992474), (174, 1477179), (198, 1298127), (258, 996237), (261, 984786), (297, 865418), (319, 805734), (347, 740718), (387, 664158), (473, 543402), (522, 492393), (594, 432709), (638, 402867), (694, 370359), (774, 332079), (783, 328262), (946, 271701), (957, 268578), (1041, 246906), (1161, 221386), (1247, 206118), (1419, 181134), (1566, 164131), (1914, 134289), (2082, 123453), (2322, 110693), (2494, 103059), (2838, 90567), (2871, 89526), (3123, 82302), (3741, 68706), (3817, 67338), (4257, 60378), (5742, 44763), (6246, 41151), (7482, 34353), (7634, 33669), (8514, 30189), (8613, 29842), (9369, 27434), (10063, 25542), (11223, 22902), (11451, 22446), (12771, 20126), (13717, 18738), (14921, 17226)]