2688202

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1721}}^1$

素因数の和:1805

約数の個数: 16

約数和(自身を含む): 4463424

約数和(自身を除く): 1775222

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 1721, 3442, 18931, 37862, 122191, 244382, 1344101, 2688202]

約数ペア:

[(1, 2688202), (2, 1344101), (11, 244382), (22, 122191), (71, 37862), (142, 18931), (781, 3442), (1562, 1721)]