256939172476

素因数分解:

$2^2\times 7^1\times {\mathrm{443}}^1\times {\mathrm{20714219}}^1$

素因数の和:20714673

約数の個数: 24

約数和(自身を含む): 515038366080

約数和(自身を除く): 258099193604

約数列:

[1, 2, 4, 7, 14, 28, 443, 886, 1772, 3101, 6202, 12404, 20714219, 41428438, 82856876, 144999533, 289999066, 579998132, 9176399017, 18352798034, 36705596068, 64234793119, 128469586238, 256939172476]

約数ペア:

[(1, 256939172476), (2, 128469586238), (4, 64234793119), (7, 36705596068), (14, 18352798034), (28, 9176399017), (443, 579998132), (886, 289999066), (1772, 144999533), (3101, 82856876), (6202, 41428438), (12404, 20714219)]