81018278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{85643}}^1$

素因数の和:85699

約数の個数: 16

約数和(自身を含む): 135660096

約数和(自身を除く): 54641818

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 85643, 171286, 942073, 1884146, 3682649, 7365298, 40509139, 81018278]

約数ペア:

[(1, 81018278), (2, 40509139), (11, 7365298), (22, 3682649), (43, 1884146), (86, 942073), (473, 171286), (946, 85643)]