81190417

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{14851}}^1$

素因数の和:14940

約数の個数: 16

約数和(自身を含む): 102657024

約数和(自身を除く): 21466607

約数列:

[1, 7, 11, 71, 77, 497, 781, 5467, 14851, 103957, 163361, 1054421, 1143527, 7380947, 11598631, 81190417]

約数ペア:

[(1, 81190417), (7, 11598631), (11, 7380947), (71, 1143527), (77, 1054421), (497, 163361), (781, 103957), (5467, 14851)]