131220005

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79769}}^1$

素因数の和:79828

約数の個数: 16

約数和(自身を含む): 183790080

約数和(自身を除く): 52570075

約数列:

[1, 5, 7, 35, 47, 235, 329, 1645, 79769, 398845, 558383, 2791915, 3749143, 18745715, 26244001, 131220005]

約数ペア:

[(1, 131220005), (5, 26244001), (7, 18745715), (35, 3749143), (47, 2791915), (235, 558383), (329, 398845), (1645, 79769)]