209250784768

素因数分解:

$2^9\times {\mathrm{1279}}^1\times {\mathrm{319541}}^1$

素因数の和:320838

約数の個数: 40

約数和(自身を含む): 418421076480

約数和(自身を除く): 209170291712

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1279, 2558, 5116, 10232, 20464, 40928, 81856, 163712, 319541, 327424, 639082, 654848, 1278164, 2556328, 5112656, 10225312, 20450624, 40901248, 81802496, 163604992, 408692939, 817385878, 1634771756, 3269543512, 6539087024, 13078174048, 26156348096, 52312696192, 104625392384, 209250784768]

約数ペア:

[(1, 209250784768), (2, 104625392384), (4, 52312696192), (8, 26156348096), (16, 13078174048), (32, 6539087024), (64, 3269543512), (128, 1634771756), (256, 817385878), (512, 408692939), (1279, 163604992), (2558, 81802496), (5116, 40901248), (10232, 20450624), (20464, 10225312), (40928, 5112656), (81856, 2556328), (163712, 1278164), (319541, 654848), (327424, 639082)]