208439693824

素因数分解:

$2^9\times {\mathrm{407108777}}^1$

素因数の和:407108795

約数の個数: 20

約数和(自身を含む): 416472279894

約数和(自身を除く): 208032586070

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 407108777, 814217554, 1628435108, 3256870216, 6513740432, 13027480864, 26054961728, 52109923456, 104219846912, 208439693824]

約数ペア:

[(1, 208439693824), (2, 104219846912), (4, 52109923456), (8, 26054961728), (16, 13027480864), (32, 6513740432), (64, 3256870216), (128, 1628435108), (256, 814217554), (512, 407108777)]