389138734

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{238151}}^1$

素因数の和:238215

約数の個数: 16

約数和(自身を含む): 628721280

約数和(自身を除く): 239582546

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 238151, 476302, 4524869, 9049738, 10240493, 20480986, 194569367, 389138734]

約数ペア:

[(1, 389138734), (2, 194569367), (19, 20480986), (38, 10240493), (43, 9049738), (86, 4524869), (817, 476302), (1634, 238151)]