289698894

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{220471}}^1$

素因数の和:220552

約数の個数: 24

約数和(自身を含む): 636282192

約数和(自身を除く): 346583298

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 220471, 440942, 661413, 1322826, 1984239, 3968478, 16094383, 32188766, 48283149, 96566298, 144849447, 289698894]

約数ペア:

[(1, 289698894), (2, 144849447), (3, 96566298), (6, 48283149), (9, 32188766), (18, 16094383), (73, 3968478), (146, 1984239), (219, 1322826), (438, 661413), (657, 440942), (1314, 220471)]