208958976

素因数分解:

$2^9\times 3^2\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:492

約数の個数: 120

約数和(自身を含む): 609306984

約数和(自身を除く): 400348008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 137, 144, 192, 256, 274, 288, 331, 384, 411, 512, 548, 576, 662, 768, 822, 993, 1096, 1152, 1233, 1324, 1536, 1644, 1986, 2192, 2304, 2466, 2648, 2979, 3288, 3972, 4384, 4608, 4932, 5296, 5958, 6576, 7944, 8768, 9864, 10592, 11916, 13152, 15888, 17536, 19728, 21184, 23832, 26304, 31776, 35072, 39456, 42368, 45347, 47664, 52608, 63552, 70144, 78912, 84736, 90694, 95328, 105216, 127104, 136041, 157824, 169472, 181388, 190656, 210432, 254208, 272082, 315648, 362776, 381312, 408123, 508416, 544164, 631296, 725552, 762624, 816246, 1088328, 1451104, 1525248, 1632492, 2176656, 2902208, 3264984, 4353312, 5804416, 6529968, 8706624, 11608832, 13059936, 17413248, 23217664, 26119872, 34826496, 52239744, 69652992, 104479488, 208958976]

約数ペア:

[(1, 208958976), (2, 104479488), (3, 69652992), (4, 52239744), (6, 34826496), (8, 26119872), (9, 23217664), (12, 17413248), (16, 13059936), (18, 11608832), (24, 8706624), (32, 6529968), (36, 5804416), (48, 4353312), (64, 3264984), (72, 2902208), (96, 2176656), (128, 1632492), (137, 1525248), (144, 1451104), (192, 1088328), (256, 816246), (274, 762624), (288, 725552), (331, 631296), (384, 544164), (411, 508416), (512, 408123), (548, 381312), (576, 362776), (662, 315648), (768, 272082), (822, 254208), (993, 210432), (1096, 190656), (1152, 181388), (1233, 169472), (1324, 157824), (1536, 136041), (1644, 127104), (1986, 105216), (2192, 95328), (2304, 90694), (2466, 84736), (2648, 78912), (2979, 70144), (3288, 63552), (3972, 52608), (4384, 47664), (4608, 45347), (4932, 42368), (5296, 39456), (5958, 35072), (6576, 31776), (7944, 26304), (8768, 23832), (9864, 21184), (10592, 19728), (11916, 17536), (13152, 15888)]