208078336

素因数分解:

$2^9\times {\mathrm{406403}}^1$

素因数の和:406421

約数の個数: 20

約数和(自身を含む): 415751292

約数和(自身を除く): 207672956

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 406403, 812806, 1625612, 3251224, 6502448, 13004896, 26009792, 52019584, 104039168, 208078336]

約数ペア:

[(1, 208078336), (2, 104039168), (4, 52019584), (8, 26009792), (16, 13004896), (32, 6502448), (64, 3251224), (128, 1625612), (256, 812806), (512, 406403)]