257270548

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{65033}}^1$

素因数の和:65103

約数の個数: 24

約数和(自身を含む): 480731328

約数和(自身を除く): 223460780

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 3956, 65033, 130066, 260132, 1495759, 2796419, 2991518, 5592838, 5983036, 11185676, 64317637, 128635274, 257270548]

約数ペア:

[(1, 257270548), (2, 128635274), (4, 64317637), (23, 11185676), (43, 5983036), (46, 5592838), (86, 2991518), (92, 2796419), (172, 1495759), (989, 260132), (1978, 130066), (3956, 65033)]