870205

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1$

素因数の和:105

約数の個数: 24

約数和(自身を含む): 1274112

約数和(自身を除く): 403907

約数列:

[1, 5, 7, 23, 35, 47, 115, 161, 235, 329, 529, 805, 1081, 1645, 2645, 3703, 5405, 7567, 18515, 24863, 37835, 124315, 174041, 870205]

約数ペア:

[(1, 870205), (5, 174041), (7, 124315), (23, 37835), (35, 24863), (47, 18515), (115, 7567), (161, 5405), (235, 3703), (329, 2645), (529, 1645), (805, 1081)]