264399527

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^2$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 318744576

約数和(自身を除く): 54345049

約数列:

[1, 7, 31, 71, 131, 217, 497, 917, 2201, 4061, 9301, 15407, 17161, 28427, 65107, 120127, 288331, 531991, 1218431, 2018317, 3723937, 8529017, 37771361, 264399527]

約数ペア:

[(1, 264399527), (7, 37771361), (31, 8529017), (71, 3723937), (131, 2018317), (217, 1218431), (497, 531991), (917, 288331), (2201, 120127), (4061, 65107), (9301, 28427), (15407, 17161)]