689274

素因数分解:

$2^1\times 3^2\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:414

約数の個数: 24

約数和(自身を含む): 1509300

約数和(自身を除く): 820026

約数列:

[1, 2, 3, 6, 9, 18, 149, 257, 298, 447, 514, 771, 894, 1341, 1542, 2313, 2682, 4626, 38293, 76586, 114879, 229758, 344637, 689274]

約数ペア:

[(1, 689274), (2, 344637), (3, 229758), (6, 114879), (9, 76586), (18, 38293), (149, 4626), (257, 2682), (298, 2313), (447, 1542), (514, 1341), (771, 894)]