12981248

素因数分解:

$2^{10}\times 7^1\times {\mathrm{1811}}^1$

素因数の和:1838

約数の個数: 44

約数和(自身を含む): 29673312

約数和(自身を除く): 16692064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 1811, 3584, 3622, 7168, 7244, 12677, 14488, 25354, 28976, 50708, 57952, 101416, 115904, 202832, 231808, 405664, 463616, 811328, 927232, 1622656, 1854464, 3245312, 6490624, 12981248]

約数ペア:

[(1, 12981248), (2, 6490624), (4, 3245312), (7, 1854464), (8, 1622656), (14, 927232), (16, 811328), (28, 463616), (32, 405664), (56, 231808), (64, 202832), (112, 115904), (128, 101416), (224, 57952), (256, 50708), (448, 28976), (512, 25354), (896, 14488), (1024, 12677), (1792, 7244), (1811, 7168), (3584, 3622)]