261564

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 620928

約数和(自身を除く): 359364

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 307, 426, 614, 852, 921, 1228, 1842, 3684, 21797, 43594, 65391, 87188, 130782, 261564]

約数ペア:

[(1, 261564), (2, 130782), (3, 87188), (4, 65391), (6, 43594), (12, 21797), (71, 3684), (142, 1842), (213, 1228), (284, 921), (307, 852), (426, 614)]