66849580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{477497}}^1$

素因数の和:477513

約数の個数: 24

約数和(自身を含む): 160439328

約数和(自身を除く): 93589748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 477497, 954994, 1909988, 2387485, 3342479, 4774970, 6684958, 9549940, 13369916, 16712395, 33424790, 66849580]

約数ペア:

[(1, 66849580), (2, 33424790), (4, 16712395), (5, 13369916), (7, 9549940), (10, 6684958), (14, 4774970), (20, 3342479), (28, 2387485), (35, 1909988), (70, 954994), (140, 477497)]