399072889856

素因数分解:

$2^{10}\times {\mathrm{389719619}}^1$

素因数の和:389719639

約数の個数: 22

約数和(自身を含む): 797756062140

約数和(自身を除く): 398683172284

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 389719619, 779439238, 1558878476, 3117756952, 6235513904, 12471027808, 24942055616, 49884111232, 99768222464, 199536444928, 399072889856]

約数ペア:

[(1, 399072889856), (2, 199536444928), (4, 99768222464), (8, 49884111232), (16, 24942055616), (32, 12471027808), (64, 6235513904), (128, 3117756952), (256, 1558878476), (512, 779439238), (1024, 389719619)]