261843862

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{397939}}^1$

素因数の和:397995

約数の個数: 16

約数和(自身を含む): 458426880

約数和(自身を除く): 196583018

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 397939, 795878, 2785573, 5571146, 18703133, 37406266, 130921931, 261843862]

約数ペア:

[(1, 261843862), (2, 130921931), (7, 37406266), (14, 18703133), (47, 5571146), (94, 2785573), (329, 795878), (658, 397939)]