1555994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{661}}^1$

素因数の和:781

約数の個数: 16

約数和(自身を含む): 2573856

約数和(自身を除く): 1017862

約数列:

[1, 2, 11, 22, 107, 214, 661, 1177, 1322, 2354, 7271, 14542, 70727, 141454, 777997, 1555994]

約数ペア:

[(1, 1555994), (2, 777997), (11, 141454), (22, 70727), (107, 14542), (214, 7271), (661, 2354), (1177, 1322)]