28489984

素因数分解:

$2^8\times {\mathrm{109}}^1\times {\mathrm{1021}}^1$

素因数の和:1146

約数の個数: 36

約数和(自身を含む): 57446620

約数和(自身を除く): 28956636

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 128, 218, 256, 436, 872, 1021, 1744, 2042, 3488, 4084, 6976, 8168, 13952, 16336, 27904, 32672, 65344, 111289, 130688, 222578, 261376, 445156, 890312, 1780624, 3561248, 7122496, 14244992, 28489984]

約数ペア:

[(1, 28489984), (2, 14244992), (4, 7122496), (8, 3561248), (16, 1780624), (32, 890312), (64, 445156), (109, 261376), (128, 222578), (218, 130688), (256, 111289), (436, 65344), (872, 32672), (1021, 27904), (1744, 16336), (2042, 13952), (3488, 8168), (4084, 6976)]