28080074

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{17977}}^1$

素因数の和:18061

約数の個数: 16

約数和(自身を含む): 46598976

約数和(自身を除く): 18518902

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 17977, 35954, 197747, 395494, 1276367, 2552734, 14040037, 28080074]

約数ペア:

[(1, 28080074), (2, 14040037), (11, 2552734), (22, 1276367), (71, 395494), (142, 197747), (781, 35954), (1562, 17977)]