66620072

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{193663}}^1$

素因数の和:193712

約数の個数: 16

約数和(自身を含む): 127818240

約数和(自身を除く): 61198168

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 193663, 387326, 774652, 1549304, 8327509, 16655018, 33310036, 66620072]

約数ペア:

[(1, 66620072), (2, 33310036), (4, 16655018), (8, 8327509), (43, 1549304), (86, 774652), (172, 387326), (344, 193663)]