1331487232

素因数分解:

$2^9\times {\mathrm{2600561}}^1$

素因数の和:2600579

約数の個数: 20

約数和(自身を含む): 2660374926

約数和(自身を除く): 1328887694

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 2600561, 5201122, 10402244, 20804488, 41608976, 83217952, 166435904, 332871808, 665743616, 1331487232]

約数ペア:

[(1, 1331487232), (2, 665743616), (4, 332871808), (8, 166435904), (16, 83217952), (32, 41608976), (64, 20804488), (128, 10402244), (256, 5201122), (512, 2600561)]