203207855

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1\times {\mathrm{1559}}^1$

素因数の和:1894

約数の個数: 16

約数和(自身を含む): 247104000

約数和(自身を除く): 43896145

約数列:

[1, 5, 131, 199, 655, 995, 1559, 7795, 26069, 130345, 204229, 310241, 1021145, 1551205, 40641571, 203207855]

約数ペア:

[(1, 203207855), (5, 40641571), (131, 1551205), (199, 1021145), (655, 310241), (995, 204229), (1559, 130345), (7795, 26069)]