257485896

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{971}}^1$

素因数の和:1139

約数の個数: 96

約数和(自身を含む): 727833600

約数和(自身を除く): 470347704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 116, 127, 174, 232, 254, 261, 348, 381, 508, 522, 696, 762, 971, 1016, 1044, 1143, 1524, 1942, 2088, 2286, 2913, 3048, 3683, 3884, 4572, 5826, 7366, 7768, 8739, 9144, 11049, 11652, 14732, 17478, 22098, 23304, 28159, 29464, 33147, 34956, 44196, 56318, 66294, 69912, 84477, 88392, 112636, 123317, 132588, 168954, 225272, 246634, 253431, 265176, 337908, 369951, 493268, 506862, 675816, 739902, 986536, 1013724, 1109853, 1479804, 2027448, 2219706, 2959608, 3576193, 4439412, 7152386, 8878824, 10728579, 14304772, 21457158, 28609544, 32185737, 42914316, 64371474, 85828632, 128742948, 257485896]

約数ペア:

[(1, 257485896), (2, 128742948), (3, 85828632), (4, 64371474), (6, 42914316), (8, 32185737), (9, 28609544), (12, 21457158), (18, 14304772), (24, 10728579), (29, 8878824), (36, 7152386), (58, 4439412), (72, 3576193), (87, 2959608), (116, 2219706), (127, 2027448), (174, 1479804), (232, 1109853), (254, 1013724), (261, 986536), (348, 739902), (381, 675816), (508, 506862), (522, 493268), (696, 369951), (762, 337908), (971, 265176), (1016, 253431), (1044, 246634), (1143, 225272), (1524, 168954), (1942, 132588), (2088, 123317), (2286, 112636), (2913, 88392), (3048, 84477), (3683, 69912), (3884, 66294), (4572, 56318), (5826, 44196), (7366, 34956), (7768, 33147), (8739, 29464), (9144, 28159), (11049, 23304), (11652, 22098), (14732, 17478)]