1281442

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:273

約数の個数: 16

約数和(自身を含む): 1992672

約数和(自身を除く): 711230

約数列:

[1, 2, 67, 73, 131, 134, 146, 262, 4891, 8777, 9563, 9782, 17554, 19126, 640721, 1281442]

約数ペア:

[(1, 1281442), (2, 640721), (67, 19126), (73, 17554), (131, 9782), (134, 9563), (146, 8777), (262, 4891)]