2665878

素因数分解:

$2^1\times 3^1\times {\mathrm{643}}^1\times {\mathrm{691}}^1$

素因数の和:1339

約数の個数: 16

約数和(自身を含む): 5347776

約数和(自身を除く): 2681898

約数列:

[1, 2, 3, 6, 643, 691, 1286, 1382, 1929, 2073, 3858, 4146, 444313, 888626, 1332939, 2665878]

約数ペア:

[(1, 2665878), (2, 1332939), (3, 888626), (6, 444313), (643, 4146), (691, 3858), (1286, 2073), (1382, 1929)]