639167571442

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{315691}}^1\times {\mathrm{24691}}^1$

素因数の和:340425

約数の個数: 16

約数和(自身を含む): 982178424864

約数和(自身を除く): 343010853422

約数列:

[1, 2, 41, 82, 24691, 49382, 315691, 631382, 1012331, 2024662, 12943331, 25886662, 7794726481, 15589452962, 319583785721, 639167571442]

約数ペア:

[(1, 639167571442), (2, 319583785721), (41, 15589452962), (82, 7794726481), (24691, 25886662), (49382, 12943331), (315691, 2024662), (631382, 1012331)]