12780928

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{3221}}^1$

素因数の和:3266

約数の個数: 32

約数和(自身を含む): 26291520

約数和(自身を除く): 13510592

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3221, 3968, 6442, 12884, 25768, 51536, 99851, 103072, 199702, 206144, 399404, 412288, 798808, 1597616, 3195232, 6390464, 12780928]

約数ペア:

[(1, 12780928), (2, 6390464), (4, 3195232), (8, 1597616), (16, 798808), (31, 412288), (32, 399404), (62, 206144), (64, 199702), (124, 103072), (128, 99851), (248, 51536), (496, 25768), (992, 12884), (1984, 6442), (3221, 3968)]