16194385

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 20058192

約数和(自身を除く): 3863807

約数列:

[1, 5, 41, 197, 205, 401, 985, 2005, 8077, 16441, 40385, 78997, 82205, 394985, 3238877, 16194385]

約数ペア:

[(1, 16194385), (5, 3238877), (41, 394985), (197, 82205), (205, 78997), (401, 40385), (985, 16441), (2005, 8077)]