259336

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 607680

約数和(自身を除く): 348344

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 421, 616, 842, 1684, 2947, 3368, 4631, 5894, 9262, 11788, 18524, 23576, 32417, 37048, 64834, 129668, 259336]

約数ペア:

[(1, 259336), (2, 129668), (4, 64834), (7, 37048), (8, 32417), (11, 23576), (14, 18524), (22, 11788), (28, 9262), (44, 5894), (56, 4631), (77, 3368), (88, 2947), (154, 1684), (308, 842), (421, 616)]