644916217

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{13537}}^1$

素因数の和:13680

約数の個数: 16

約数和(自身を含む): 725203584

約数和(自身を除く): 80287367

約数列:

[1, 11, 61, 71, 671, 781, 4331, 13537, 47641, 148907, 825757, 961127, 9083327, 10572397, 58628747, 644916217]

約数ペア:

[(1, 644916217), (11, 58628747), (61, 10572397), (71, 9083327), (671, 961127), (781, 825757), (4331, 148907), (13537, 47641)]