199778868

素因数分解:

$2^2\times 3^2\times {\mathrm{5549413}}^1$

素因数の和:5549423

約数の個数: 18

約数和(自身を含む): 504996674

約数和(自身を除く): 305217806

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 5549413, 11098826, 16648239, 22197652, 33296478, 49944717, 66592956, 99889434, 199778868]

約数ペア:

[(1, 199778868), (2, 99889434), (3, 66592956), (4, 49944717), (6, 33296478), (9, 22197652), (12, 16648239), (18, 11098826), (36, 5549413)]