28354745

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{683}}^1$

素因数の和:749

約数の個数: 24

約数和(自身を含む): 37526976

約数和(自身を除く): 9172231

約数列:

[1, 5, 19, 23, 95, 115, 361, 437, 683, 1805, 2185, 3415, 8303, 12977, 15709, 41515, 64885, 78545, 246563, 298471, 1232815, 1492355, 5670949, 28354745]

約数ペア:

[(1, 28354745), (5, 5670949), (19, 1492355), (23, 1232815), (95, 298471), (115, 246563), (361, 78545), (437, 64885), (683, 41515), (1805, 15709), (2185, 12977), (3415, 8303)]