87816476

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{181439}}^1$

素因数の和:181465

約数の個数: 18

約数和(自身を含む): 168920640

約数和(自身を除く): 81104164

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 181439, 362878, 725756, 1995829, 3991658, 7983316, 21954119, 43908238, 87816476]

約数ペア:

[(1, 87816476), (2, 43908238), (4, 21954119), (11, 7983316), (22, 3991658), (44, 1995829), (121, 725756), (242, 362878), (484, 181439)]