87802195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{439}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 121080960

約数和(自身を除く): 33278765

約数列:

[1, 5, 13, 17, 65, 85, 181, 221, 439, 905, 1105, 2195, 2353, 3077, 5707, 7463, 11765, 15385, 28535, 37315, 40001, 79459, 97019, 200005, 397295, 485095, 1032967, 1350803, 5164835, 6754015, 17560439, 87802195]

約数ペア:

[(1, 87802195), (5, 17560439), (13, 6754015), (17, 5164835), (65, 1350803), (85, 1032967), (181, 485095), (221, 397295), (439, 200005), (905, 97019), (1105, 79459), (2195, 40001), (2353, 37315), (3077, 28535), (5707, 15385), (7463, 11765)]