201997519175

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{2143}}^1\times {\mathrm{87683}}^1$

素因数の和:89879

約数の個数: 24

約数和(自身を含む): 256424492544

約数和(自身を除く): 54426973369

約数列:

[1, 5, 25, 43, 215, 1075, 2143, 10715, 53575, 87683, 92149, 438415, 460745, 2192075, 2303725, 3770369, 18851845, 94259225, 187904669, 939523345, 4697616725, 8079900767, 40399503835, 201997519175]

約数ペア:

[(1, 201997519175), (5, 40399503835), (25, 8079900767), (43, 4697616725), (215, 939523345), (1075, 187904669), (2143, 94259225), (10715, 18851845), (53575, 3770369), (87683, 2303725), (92149, 2192075), (438415, 460745)]