639021326

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{1109}}^1\times {\mathrm{7027}}^1$

素因数の和:8179

約数の個数: 16

約数和(自身を含む): 982936080

約数和(自身を除く): 343914754

約数列:

[1, 2, 41, 82, 1109, 2218, 7027, 14054, 45469, 90938, 288107, 576214, 7792943, 15585886, 319510663, 639021326]

約数ペア:

[(1, 639021326), (2, 319510663), (41, 15585886), (82, 7792943), (1109, 576214), (2218, 288107), (7027, 90938), (14054, 45469)]