28536865

素因数分解:

$5^1\times 7^2\times {\mathrm{269}}^1\times {\mathrm{433}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 40075560

約数和(自身を除く): 11538695

約数列:

[1, 5, 7, 35, 49, 245, 269, 433, 1345, 1883, 2165, 3031, 9415, 13181, 15155, 21217, 65905, 106085, 116477, 582385, 815339, 4076695, 5707373, 28536865]

約数ペア:

[(1, 28536865), (5, 5707373), (7, 4076695), (35, 815339), (49, 582385), (245, 116477), (269, 106085), (433, 65905), (1345, 21217), (1883, 15155), (2165, 13181), (3031, 9415)]