28946912

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 59154480

約数和(自身を除く): 30207568

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 109, 172, 193, 218, 344, 386, 436, 688, 772, 872, 1376, 1544, 1744, 3088, 3488, 4687, 6176, 8299, 9374, 16598, 18748, 21037, 33196, 37496, 42074, 66392, 74992, 84148, 132784, 149984, 168296, 265568, 336592, 673184, 904591, 1809182, 3618364, 7236728, 14473456, 28946912]

約数ペア:

[(1, 28946912), (2, 14473456), (4, 7236728), (8, 3618364), (16, 1809182), (32, 904591), (43, 673184), (86, 336592), (109, 265568), (172, 168296), (193, 149984), (218, 132784), (344, 84148), (386, 74992), (436, 66392), (688, 42074), (772, 37496), (872, 33196), (1376, 21037), (1544, 18748), (1744, 16598), (3088, 9374), (3488, 8299), (4687, 6176)]