11561984

素因数分解:

$2^{10}\times 7^1\times {\mathrm{1613}}^1$

素因数の和:1640

約数の個数: 44

約数和(自身を含む): 26430864

約数和(自身を除く): 14868880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1613, 1792, 3226, 3584, 6452, 7168, 11291, 12904, 22582, 25808, 45164, 51616, 90328, 103232, 180656, 206464, 361312, 412928, 722624, 825856, 1445248, 1651712, 2890496, 5780992, 11561984]

約数ペア:

[(1, 11561984), (2, 5780992), (4, 2890496), (7, 1651712), (8, 1445248), (14, 825856), (16, 722624), (28, 412928), (32, 361312), (56, 206464), (64, 180656), (112, 103232), (128, 90328), (224, 51616), (256, 45164), (448, 25808), (512, 22582), (896, 12904), (1024, 11291), (1613, 7168), (1792, 6452), (3226, 3584)]