1557795376

素因数分解:

$2^4\times {\mathrm{5021}}^1\times {\mathrm{19391}}^1$

素因数の和:24420

約数の個数: 20

約数和(自身を含む): 3018985344

約数和(自身を除く): 1461189968

約数列:

[1, 2, 4, 8, 16, 5021, 10042, 19391, 20084, 38782, 40168, 77564, 80336, 155128, 310256, 97362211, 194724422, 389448844, 778897688, 1557795376]

約数ペア:

[(1, 1557795376), (2, 778897688), (4, 389448844), (8, 194724422), (16, 97362211), (5021, 310256), (10042, 155128), (19391, 80336), (20084, 77564), (38782, 40168)]