256285897

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{69473}}^1$

素因数の和:69528

約数の個数: 16

約数和(自身を含む): 320136192

約数和(自身を除く): 63850295

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 69473, 486311, 1181041, 2153663, 8267287, 15075641, 36612271, 256285897]

約数ペア:

[(1, 256285897), (7, 36612271), (17, 15075641), (31, 8267287), (119, 2153663), (217, 1181041), (527, 486311), (3689, 69473)]