1216556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:701

約数の個数: 24

約数和(自身を含む): 2380224

約数和(自身を除く): 1163668

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 643, 946, 1286, 1892, 2572, 7073, 14146, 27649, 28292, 55298, 110596, 304139, 608278, 1216556]

約数ペア:

[(1, 1216556), (2, 608278), (4, 304139), (11, 110596), (22, 55298), (43, 28292), (44, 27649), (86, 14146), (172, 7073), (473, 2572), (643, 1892), (946, 1286)]