81830686

素因数分解:

$2^1\times 7^2\times {\mathrm{787}}^1\times {\mathrm{1061}}^1$

素因数の和:1864

約数の個数: 24

約数和(自身を含む): 143102376

約数和(自身を除く): 61271690

約数列:

[1, 2, 7, 14, 49, 98, 787, 1061, 1574, 2122, 5509, 7427, 11018, 14854, 38563, 51989, 77126, 103978, 835007, 1670014, 5845049, 11690098, 40915343, 81830686]

約数ペア:

[(1, 81830686), (2, 40915343), (7, 11690098), (14, 5845049), (49, 1670014), (98, 835007), (787, 103978), (1061, 77126), (1574, 51989), (2122, 38563), (5509, 14854), (7427, 11018)]