254425456

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{353}}^1\times {\mathrm{421}}^1$

素因数の和:889

約数の個数: 40

約数和(自身を含む): 500151024

約数和(自身を除く): 245725568

約数列:

[1, 2, 4, 8, 16, 107, 214, 353, 421, 428, 706, 842, 856, 1412, 1684, 1712, 2824, 3368, 5648, 6736, 37771, 45047, 75542, 90094, 148613, 151084, 180188, 297226, 302168, 360376, 594452, 604336, 720752, 1188904, 2377808, 15901591, 31803182, 63606364, 127212728, 254425456]

約数ペア:

[(1, 254425456), (2, 127212728), (4, 63606364), (8, 31803182), (16, 15901591), (107, 2377808), (214, 1188904), (353, 720752), (421, 604336), (428, 594452), (706, 360376), (842, 302168), (856, 297226), (1412, 180188), (1684, 151084), (1712, 148613), (2824, 90094), (3368, 75542), (5648, 45047), (6736, 37771)]