85871764

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{177421}}^1$

素因数の和:177447

約数の個数: 18

約数和(自身を含む): 165179882

約数和(自身を除く): 79308118

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 177421, 354842, 709684, 1951631, 3903262, 7806524, 21467941, 42935882, 85871764]

約数ペア:

[(1, 85871764), (2, 42935882), (4, 21467941), (11, 7806524), (22, 3903262), (44, 1951631), (121, 709684), (242, 354842), (484, 177421)]