90409984

素因数分解:

$2^{10}\times 7^1\times {\mathrm{12613}}^1$

素因数の和:12640

約数の個数: 44

約数和(自身を含む): 206566864

約数和(自身を除く): 116156880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 3584, 7168, 12613, 25226, 50452, 88291, 100904, 176582, 201808, 353164, 403616, 706328, 807232, 1412656, 1614464, 2825312, 3228928, 5650624, 6457856, 11301248, 12915712, 22602496, 45204992, 90409984]

約数ペア:

[(1, 90409984), (2, 45204992), (4, 22602496), (7, 12915712), (8, 11301248), (14, 6457856), (16, 5650624), (28, 3228928), (32, 2825312), (56, 1614464), (64, 1412656), (112, 807232), (128, 706328), (224, 403616), (256, 353164), (448, 201808), (512, 176582), (896, 100904), (1024, 88291), (1792, 50452), (3584, 25226), (7168, 12613)]