1997111808

素因数分解:

$2^9\times 3^3\times {\mathrm{73}}^1\times {\mathrm{1979}}^1$

素因数の和:2079

約数の個数: 160

約数和(自身を含む): 5995598400

約数和(自身を除く): 3998486592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 73, 96, 108, 128, 144, 146, 192, 216, 219, 256, 288, 292, 384, 432, 438, 512, 576, 584, 657, 768, 864, 876, 1152, 1168, 1314, 1536, 1728, 1752, 1971, 1979, 2304, 2336, 2628, 3456, 3504, 3942, 3958, 4608, 4672, 5256, 5937, 6912, 7008, 7884, 7916, 9344, 10512, 11874, 13824, 14016, 15768, 15832, 17811, 18688, 21024, 23748, 28032, 31536, 31664, 35622, 37376, 42048, 47496, 53433, 56064, 63072, 63328, 71244, 84096, 94992, 106866, 112128, 126144, 126656, 142488, 144467, 168192, 189984, 213732, 252288, 253312, 284976, 288934, 336384, 379968, 427464, 433401, 504576, 506624, 569952, 577868, 759936, 854928, 866802, 1009152, 1013248, 1139904, 1155736, 1300203, 1519872, 1709856, 1733604, 2279808, 2311472, 2600406, 3039744, 3419712, 3467208, 3900609, 4559616, 4622944, 5200812, 6839424, 6934416, 7801218, 9119232, 9245888, 10401624, 13678848, 13868832, 15602436, 18491776, 20803248, 27357696, 27737664, 31204872, 36983552, 41606496, 55475328, 62409744, 73967104, 83212992, 110950656, 124819488, 166425984, 221901312, 249638976, 332851968, 499277952, 665703936, 998555904, 1997111808]

約数ペア:

[(1, 1997111808), (2, 998555904), (3, 665703936), (4, 499277952), (6, 332851968), (8, 249638976), (9, 221901312), (12, 166425984), (16, 124819488), (18, 110950656), (24, 83212992), (27, 73967104), (32, 62409744), (36, 55475328), (48, 41606496), (54, 36983552), (64, 31204872), (72, 27737664), (73, 27357696), (96, 20803248), (108, 18491776), (128, 15602436), (144, 13868832), (146, 13678848), (192, 10401624), (216, 9245888), (219, 9119232), (256, 7801218), (288, 6934416), (292, 6839424), (384, 5200812), (432, 4622944), (438, 4559616), (512, 3900609), (576, 3467208), (584, 3419712), (657, 3039744), (768, 2600406), (864, 2311472), (876, 2279808), (1152, 1733604), (1168, 1709856), (1314, 1519872), (1536, 1300203), (1728, 1155736), (1752, 1139904), (1971, 1013248), (1979, 1009152), (2304, 866802), (2336, 854928), (2628, 759936), (3456, 577868), (3504, 569952), (3942, 506624), (3958, 504576), (4608, 433401), (4672, 427464), (5256, 379968), (5937, 336384), (6912, 288934), (7008, 284976), (7884, 253312), (7916, 252288), (9344, 213732), (10512, 189984), (11874, 168192), (13824, 144467), (14016, 142488), (15768, 126656), (15832, 126144), (17811, 112128), (18688, 106866), (21024, 94992), (23748, 84096), (28032, 71244), (31536, 63328), (31664, 63072), (35622, 56064), (37376, 53433), (42048, 47496)]