16872188

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 30240000

約数和(自身を除く): 13367812

約数列:

[1, 2, 4, 79, 107, 158, 214, 316, 428, 499, 998, 1996, 8453, 16906, 33812, 39421, 53393, 78842, 106786, 157684, 213572, 4218047, 8436094, 16872188]

約数ペア:

[(1, 16872188), (2, 8436094), (4, 4218047), (79, 213572), (107, 157684), (158, 106786), (214, 78842), (316, 53393), (428, 39421), (499, 33812), (998, 16906), (1996, 8453)]