1991232358557

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{313234601}}^1$

素因数の和:313234780

約数の個数: 16

約数和(自身を含む): 2876746584768

約数和(自身を除く): 885514226211

約数列:

[1, 3, 13, 39, 163, 489, 2119, 6357, 313234601, 939703803, 4072049813, 12216149439, 51057239963, 153171719889, 663744119519, 1991232358557]

約数ペア:

[(1, 1991232358557), (3, 663744119519), (13, 153171719889), (39, 51057239963), (163, 12216149439), (489, 4072049813), (2119, 939703803), (6357, 313234601)]