28257804

素因数分解:

$2^2\times 3^2\times {\mathrm{784939}}^1$

素因数の和:784949

約数の個数: 18

約数和(自身を含む): 71429540

約数和(自身を除く): 43171736

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 784939, 1569878, 2354817, 3139756, 4709634, 7064451, 9419268, 14128902, 28257804]

約数ペア:

[(1, 28257804), (2, 14128902), (3, 9419268), (4, 7064451), (6, 4709634), (9, 3139756), (12, 2354817), (18, 1569878), (36, 784939)]