81362278

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{3517}}^1$

素因数の和:3831

約数の個数: 16

約数和(自身を含む): 125381520

約数和(自身を除く): 44019242

約数列:

[1, 2, 43, 86, 269, 538, 3517, 7034, 11567, 23134, 151231, 302462, 946073, 1892146, 40681139, 81362278]

約数ペア:

[(1, 81362278), (2, 40681139), (43, 1892146), (86, 946073), (269, 302462), (538, 151231), (3517, 23134), (7034, 11567)]