86686385

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{7877}}^1$

素因数の和:7984

約数の個数: 16

約数和(自身を含む): 108905472

約数和(自身を除く): 22219087

約数列:

[1, 5, 31, 71, 155, 355, 2201, 7877, 11005, 39385, 244187, 559267, 1220935, 2796335, 17337277, 86686385]

約数ペア:

[(1, 86686385), (5, 17337277), (31, 2796335), (71, 1220935), (155, 559267), (355, 244187), (2201, 39385), (7877, 11005)]