287427839

素因数分解:

${\mathrm{19}}^2\times {\mathrm{199}}^1\times {\mathrm{4001}}^1$

素因数の和:4238

約数の個数: 12

約数和(自身を含む): 304952400

約数和(自身を除く): 17524561

約数列:

[1, 19, 199, 361, 3781, 4001, 71839, 76019, 796199, 1444361, 15127781, 287427839]

約数ペア:

[(1, 287427839), (19, 15127781), (199, 1444361), (361, 796199), (3781, 76019), (4001, 71839)]