209340928

素因数分解:

$2^9\times {\mathrm{408869}}^1$

素因数の和:408887

約数の個数: 20

約数和(自身を含む): 418274010

約数和(自身を除く): 208933082

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 408869, 817738, 1635476, 3270952, 6541904, 13083808, 26167616, 52335232, 104670464, 209340928]

約数ペア:

[(1, 209340928), (2, 104670464), (4, 52335232), (8, 26167616), (16, 13083808), (32, 6541904), (64, 3270952), (128, 1635476), (256, 817738), (512, 408869)]