86990309

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{23581}}^1$

素因数の和:23636

約数の個数: 16

約数和(自身を含む): 108665856

約数和(自身を除く): 21675547

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 23581, 165067, 400877, 731011, 2806139, 5117077, 12427187, 86990309]

約数ペア:

[(1, 86990309), (7, 12427187), (17, 5117077), (31, 2806139), (119, 731011), (217, 400877), (527, 165067), (3689, 23581)]