77778961

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{997}}^1$

素因数の和:1380

約数の個数: 16

約数和(自身を含む): 89029584

約数和(自身を除く): 11250623

約数列:

[1, 13, 17, 221, 353, 997, 4589, 6001, 12961, 16949, 78013, 220337, 351941, 4575233, 5982997, 77778961]

約数ペア:

[(1, 77778961), (13, 5982997), (17, 4575233), (221, 351941), (353, 220337), (997, 78013), (4589, 16949), (6001, 12961)]