257702015

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{6317}}^1$

素因数の和:6562

約数の個数: 16

約数和(自身を含む): 318427200

約数和(自身を除く): 60725185

約数列:

[1, 5, 41, 199, 205, 995, 6317, 8159, 31585, 40795, 258997, 1257083, 1294985, 6285415, 51540403, 257702015]

約数ペア:

[(1, 257702015), (5, 51540403), (41, 6285415), (199, 1294985), (205, 1257083), (995, 258997), (6317, 40795), (8159, 31585)]