131731968

素因数分解:

$2^9\times 3^1\times {\mathrm{139}}^1\times {\mathrm{617}}^1$

素因数の和:777

約数の個数: 80

約数和(自身を含む): 354039840

約数和(自身を除く): 222307872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 139, 192, 256, 278, 384, 417, 512, 556, 617, 768, 834, 1112, 1234, 1536, 1668, 1851, 2224, 2468, 3336, 3702, 4448, 4936, 6672, 7404, 8896, 9872, 13344, 14808, 17792, 19744, 26688, 29616, 35584, 39488, 53376, 59232, 71168, 78976, 85763, 106752, 118464, 157952, 171526, 213504, 236928, 257289, 315904, 343052, 473856, 514578, 686104, 947712, 1029156, 1372208, 2058312, 2744416, 4116624, 5488832, 8233248, 10977664, 16466496, 21955328, 32932992, 43910656, 65865984, 131731968]

約数ペア:

[(1, 131731968), (2, 65865984), (3, 43910656), (4, 32932992), (6, 21955328), (8, 16466496), (12, 10977664), (16, 8233248), (24, 5488832), (32, 4116624), (48, 2744416), (64, 2058312), (96, 1372208), (128, 1029156), (139, 947712), (192, 686104), (256, 514578), (278, 473856), (384, 343052), (417, 315904), (512, 257289), (556, 236928), (617, 213504), (768, 171526), (834, 157952), (1112, 118464), (1234, 106752), (1536, 85763), (1668, 78976), (1851, 71168), (2224, 59232), (2468, 53376), (3336, 39488), (3702, 35584), (4448, 29616), (4936, 26688), (6672, 19744), (7404, 17792), (8896, 14808), (9872, 13344)]