86940895

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1\times {\mathrm{1171}}^1$

素因数の和:1686

約数の個数: 16

約数和(自身を含む): 108011520

約数和(自身を除く): 21070625

約数列:

[1, 5, 31, 155, 479, 1171, 2395, 5855, 14849, 36301, 74245, 181505, 560909, 2804545, 17388179, 86940895]

約数ペア:

[(1, 86940895), (5, 17388179), (31, 2804545), (155, 560909), (479, 181505), (1171, 74245), (2395, 36301), (5855, 14849)]