208987724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{30253}}^1$

素因数の和:30425

約数の個数: 24

約数和(自身を含む): 401531088

約数和(自身を除く): 192543364

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 628, 1727, 3454, 6908, 30253, 60506, 121012, 332783, 665566, 1331132, 4749721, 9499442, 18998884, 52246931, 104493862, 208987724]

約数ペア:

[(1, 208987724), (2, 104493862), (4, 52246931), (11, 18998884), (22, 9499442), (44, 4749721), (157, 1331132), (314, 665566), (628, 332783), (1727, 121012), (3454, 60506), (6908, 30253)]