16940671

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 19008000

約数和(自身を除く): 2067329

約数列:

[1, 11, 71, 109, 199, 781, 1199, 2189, 7739, 14129, 21691, 85129, 155419, 238601, 1540061, 16940671]

約数ペア:

[(1, 16940671), (11, 1540061), (71, 238601), (109, 155419), (199, 85129), (781, 21691), (1199, 14129), (2189, 7739)]