26780816

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{15643}}^1$

素因数の和:15758

約数の個数: 20

約数和(自身を含む): 52376112

約数和(自身を除く): 25595296

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 15643, 31286, 62572, 125144, 250288, 1673801, 3347602, 6695204, 13390408, 26780816]

約数ペア:

[(1, 26780816), (2, 13390408), (4, 6695204), (8, 3347602), (16, 1673801), (107, 250288), (214, 125144), (428, 62572), (856, 31286), (1712, 15643)]