81222674

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{66467}}^1$

素因数の和:66529

約数の個数: 16

約数和(自身を含む): 133999488

約数和(自身を除く): 52776814

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 66467, 132934, 864071, 1728142, 3123949, 6247898, 40611337, 81222674]

約数ペア:

[(1, 81222674), (2, 40611337), (13, 6247898), (26, 3123949), (47, 1728142), (94, 864071), (611, 132934), (1222, 66467)]