219574916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{4990339}}^1$

素因数の和:4990354

約数の個数: 12

約数和(自身を含む): 419188560

約数和(自身を除く): 199613644

約数列:

[1, 2, 4, 11, 22, 44, 4990339, 9980678, 19961356, 54893729, 109787458, 219574916]

約数ペア:

[(1, 219574916), (2, 109787458), (4, 54893729), (11, 19961356), (22, 9980678), (44, 4990339)]