1969978

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:309

約数の個数: 16

約数和(自身を含む): 3047616

約数和(自身を除く): 1077638

約数列:

[1, 2, 73, 103, 131, 146, 206, 262, 7519, 9563, 13493, 15038, 19126, 26986, 984989, 1969978]

約数ペア:

[(1, 1969978), (2, 984989), (73, 26986), (103, 19126), (131, 15038), (146, 13493), (206, 9563), (262, 7519)]