203470336

素因数分解:

$2^9\times {\mathrm{199}}^1\times {\mathrm{1997}}^1$

素因数の和:2214

約数の個数: 40

約数和(自身を含む): 408790800

約数和(自身を除く): 205320464

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 199, 256, 398, 512, 796, 1592, 1997, 3184, 3994, 6368, 7988, 12736, 15976, 25472, 31952, 50944, 63904, 101888, 127808, 255616, 397403, 511232, 794806, 1022464, 1589612, 3179224, 6358448, 12716896, 25433792, 50867584, 101735168, 203470336]

約数ペア:

[(1, 203470336), (2, 101735168), (4, 50867584), (8, 25433792), (16, 12716896), (32, 6358448), (64, 3179224), (128, 1589612), (199, 1022464), (256, 794806), (398, 511232), (512, 397403), (796, 255616), (1592, 127808), (1997, 101888), (3184, 63904), (3994, 50944), (6368, 31952), (7988, 25472), (12736, 15976)]