638045405814

素因数分解:

$2^1\times 3^1\times {\mathrm{217271}}^1\times {\mathrm{489439}}^1$

素因数の和:706715

約数の個数: 16

約数和(自身を含む): 1276099292160

約数和(自身を除く): 638053886346

約数列:

[1, 2, 3, 6, 217271, 434542, 489439, 651813, 978878, 1303626, 1468317, 2936634, 106340900969, 212681801938, 319022702907, 638045405814]

約数ペア:

[(1, 638045405814), (2, 319022702907), (3, 212681801938), (6, 106340900969), (217271, 2936634), (434542, 1468317), (489439, 1303626), (651813, 978878)]