208021906

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{71}}^2\times {\mathrm{439}}^1$

素因数の和:630

約数の個数: 24

約数和(自身を含む): 323959680

約数和(自身を除く): 115937774

約数列:

[1, 2, 47, 71, 94, 142, 439, 878, 3337, 5041, 6674, 10082, 20633, 31169, 41266, 62338, 236927, 473854, 1464943, 2212999, 2929886, 4425998, 104010953, 208021906]

約数ペア:

[(1, 208021906), (2, 104010953), (47, 4425998), (71, 2929886), (94, 2212999), (142, 1464943), (439, 473854), (878, 236927), (3337, 62338), (5041, 41266), (6674, 31169), (10082, 20633)]