398381568

素因数分解:

$2^9\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:386

約数の個数: 160

約数和(自身を含む): 1163175552

約数和(自身を除く): 764793984

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 71, 78, 96, 104, 128, 142, 156, 192, 208, 213, 256, 281, 284, 312, 384, 416, 426, 512, 562, 568, 624, 768, 832, 843, 852, 923, 1124, 1136, 1248, 1536, 1664, 1686, 1704, 1846, 2248, 2272, 2496, 2769, 3328, 3372, 3408, 3653, 3692, 4496, 4544, 4992, 5538, 6656, 6744, 6816, 7306, 7384, 8992, 9088, 9984, 10959, 11076, 13488, 13632, 14612, 14768, 17984, 18176, 19951, 19968, 21918, 22152, 26976, 27264, 29224, 29536, 35968, 36352, 39902, 43836, 44304, 53952, 54528, 58448, 59072, 59853, 71936, 79804, 87672, 88608, 107904, 109056, 116896, 118144, 119706, 143872, 159608, 175344, 177216, 215808, 233792, 236288, 239412, 259363, 319216, 350688, 354432, 431616, 467584, 472576, 478824, 518726, 638432, 701376, 708864, 778089, 935168, 957648, 1037452, 1276864, 1402752, 1417728, 1556178, 1870336, 1915296, 2074904, 2553728, 2805504, 3112356, 3830592, 4149808, 5107456, 5611008, 6224712, 7661184, 8299616, 10214912, 12449424, 15322368, 16599232, 24898848, 30644736, 33198464, 49797696, 66396928, 99595392, 132793856, 199190784, 398381568]

約数ペア:

[(1, 398381568), (2, 199190784), (3, 132793856), (4, 99595392), (6, 66396928), (8, 49797696), (12, 33198464), (13, 30644736), (16, 24898848), (24, 16599232), (26, 15322368), (32, 12449424), (39, 10214912), (48, 8299616), (52, 7661184), (64, 6224712), (71, 5611008), (78, 5107456), (96, 4149808), (104, 3830592), (128, 3112356), (142, 2805504), (156, 2553728), (192, 2074904), (208, 1915296), (213, 1870336), (256, 1556178), (281, 1417728), (284, 1402752), (312, 1276864), (384, 1037452), (416, 957648), (426, 935168), (512, 778089), (562, 708864), (568, 701376), (624, 638432), (768, 518726), (832, 478824), (843, 472576), (852, 467584), (923, 431616), (1124, 354432), (1136, 350688), (1248, 319216), (1536, 259363), (1664, 239412), (1686, 236288), (1704, 233792), (1846, 215808), (2248, 177216), (2272, 175344), (2496, 159608), (2769, 143872), (3328, 119706), (3372, 118144), (3408, 116896), (3653, 109056), (3692, 107904), (4496, 88608), (4544, 87672), (4992, 79804), (5538, 71936), (6656, 59853), (6744, 59072), (6816, 58448), (7306, 54528), (7384, 53952), (8992, 44304), (9088, 43836), (9984, 39902), (10959, 36352), (11076, 35968), (13488, 29536), (13632, 29224), (14612, 27264), (14768, 26976), (17984, 22152), (18176, 21918), (19951, 19968)]