871684

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{1801}}^1$

素因数の和:1827

約数の個数: 18

約数和(自身を含む): 1677662

約数和(自身を除く): 805978

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 1801, 3602, 7204, 19811, 39622, 79244, 217921, 435842, 871684]

約数ペア:

[(1, 871684), (2, 435842), (4, 217921), (11, 79244), (22, 39622), (44, 19811), (121, 7204), (242, 3602), (484, 1801)]