66684716

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{5657}}^1$

素因数の和:6089

約数の個数: 24

約数和(自身を含む): 133709856

約数和(自身を除く): 67025140

約数列:

[1, 2, 4, 7, 14, 28, 421, 842, 1684, 2947, 5657, 5894, 11314, 11788, 22628, 39599, 79198, 158396, 2381597, 4763194, 9526388, 16671179, 33342358, 66684716]

約数ペア:

[(1, 66684716), (2, 33342358), (4, 16671179), (7, 9526388), (14, 4763194), (28, 2381597), (421, 158396), (842, 79198), (1684, 39599), (2947, 22628), (5657, 11788), (5894, 11314)]