857532208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{4122751}}^1$

素因数の和:4122772

約数の個数: 20

約数和(自身を含む): 1789274368

約数和(自身を除く): 931742160

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 4122751, 8245502, 16491004, 32982008, 53595763, 65964016, 107191526, 214383052, 428766104, 857532208]

約数ペア:

[(1, 857532208), (2, 428766104), (4, 214383052), (8, 107191526), (13, 65964016), (16, 53595763), (26, 32982008), (52, 16491004), (104, 8245502), (208, 4122751)]