28139866

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{373}}^1\times {\mathrm{563}}^1$

素因数の和:1005

約数の個数: 16

約数和(自身を含む): 43030944

約数和(自身を除く): 14891078

約数列:

[1, 2, 67, 134, 373, 563, 746, 1126, 24991, 37721, 49982, 75442, 209999, 419998, 14069933, 28139866]

約数ペア:

[(1, 28139866), (2, 14069933), (67, 419998), (134, 209999), (373, 75442), (563, 49982), (746, 37721), (1126, 24991)]