489291264004

素因数分解:

$2^2\times {\mathrm{139}}^2\times {\mathrm{6331081}}^1$

素因数の和:6331363

約数の個数: 18

約数和(自身を含む): 862464307614

約数和(自身を除く): 373173043610

約数列:

[1, 2, 4, 139, 278, 556, 19321, 38642, 77284, 6331081, 12662162, 25324324, 880020259, 1760040518, 3520081036, 122322816001, 244645632002, 489291264004]

約数ペア:

[(1, 489291264004), (2, 244645632002), (4, 122322816001), (139, 3520081036), (278, 1760040518), (556, 880020259), (19321, 25324324), (38642, 12662162), (77284, 6331081)]