128640134

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{137143}}^1$

素因数の和:137219

約数の個数: 16

約数和(自身を含む): 223819008

約数和(自身を除く): 95178874

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 137143, 274286, 960001, 1920002, 9188581, 18377162, 64320067, 128640134]

約数ペア:

[(1, 128640134), (2, 64320067), (7, 18377162), (14, 9188581), (67, 1920002), (134, 960001), (469, 274286), (938, 137143)]