389871013

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{172433}}^1$

素因数の和:172476

約数の個数: 16

約数和(自身を含む): 496609920

約数和(自身を除く): 106738907

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 172433, 1207031, 2931361, 3276227, 20519527, 22933589, 55695859, 389871013]

約数ペア:

[(1, 389871013), (7, 55695859), (17, 22933589), (19, 20519527), (119, 3276227), (133, 2931361), (323, 1207031), (2261, 172433)]