137431390

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{69061}}^1$

素因数の和:69267

約数の個数: 16

約数和(自身を含む): 248623200

約数和(自身を除く): 111191810

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 69061, 138122, 345305, 690610, 13743139, 27486278, 68715695, 137431390]

約数ペア:

[(1, 137431390), (2, 68715695), (5, 27486278), (10, 13743139), (199, 690610), (398, 345305), (995, 138122), (1990, 69061)]