209399342

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{27691}}^1$

素因数の和:27911

約数の個数: 16

約数和(自身を含む): 332304000

約数和(自身を除く): 122904658

約数列:

[1, 2, 19, 38, 199, 398, 3781, 7562, 27691, 55382, 526129, 1052258, 5510509, 11021018, 104699671, 209399342]

約数ペア:

[(1, 209399342), (2, 104699671), (19, 11021018), (38, 5510509), (199, 1052258), (398, 526129), (3781, 55382), (7562, 27691)]