129668

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1$

素因数の和:443

約数の個数: 24

約数和(自身を含む): 283584

約数和(自身を除く): 153916

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 421, 842, 1684, 2947, 4631, 5894, 9262, 11788, 18524, 32417, 64834, 129668]

約数ペア:

[(1, 129668), (2, 64834), (4, 32417), (7, 18524), (11, 11788), (14, 9262), (22, 5894), (28, 4631), (44, 2947), (77, 1684), (154, 842), (308, 421)]