127988218

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{177269}}^1$

素因数の和:177309

約数の個数: 12

約数和(自身を含む): 202619610

約数和(自身を除く): 74631392

約数列:

[1, 2, 19, 38, 361, 722, 177269, 354538, 3368111, 6736222, 63994109, 127988218]

約数ペア:

[(1, 127988218), (2, 63994109), (19, 6736222), (38, 3368111), (361, 354538), (722, 177269)]