208872368

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{318403}}^1$

素因数の和:318452

約数の個数: 20

約数和(自身を含む): 414562008

約数和(自身を除く): 205689640

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 318403, 636806, 1273612, 2547224, 5094448, 13054523, 26109046, 52218092, 104436184, 208872368]

約数ペア:

[(1, 208872368), (2, 104436184), (4, 52218092), (8, 26109046), (16, 13054523), (41, 5094448), (82, 2547224), (164, 1273612), (328, 636806), (656, 318403)]