1986655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{881}}^1$

素因数の和:938

約数の個数: 16

約数和(自身を含む): 2667168

約数和(自身を除く): 680513

約数列:

[1, 5, 11, 41, 55, 205, 451, 881, 2255, 4405, 9691, 36121, 48455, 180605, 397331, 1986655]

約数ペア:

[(1, 1986655), (5, 397331), (11, 180605), (41, 48455), (55, 36121), (205, 9691), (451, 4405), (881, 2255)]