217997410

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{531701}}^1$

素因数の和:531749

約数の個数: 16

約数和(自身を含む): 401966712

約数和(自身を除く): 183969302

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 531701, 1063402, 2658505, 5317010, 21799741, 43599482, 108998705, 217997410]

約数ペア:

[(1, 217997410), (2, 108998705), (5, 43599482), (10, 21799741), (41, 5317010), (82, 2658505), (205, 1063402), (410, 531701)]