257006786

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{48991}}^1$

素因数の和:49097

約数の個数: 16

約数和(自身を含む): 400950528

約数和(自身を除く): 143943742

約数列:

[1, 2, 43, 61, 86, 122, 2623, 5246, 48991, 97982, 2106613, 2988451, 4213226, 5976902, 128503393, 257006786]

約数ペア:

[(1, 257006786), (2, 128503393), (43, 5976902), (61, 4213226), (86, 2988451), (122, 2106613), (2623, 97982), (5246, 48991)]