66138247

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{601}}^1$

素因数の和:886

約数の個数: 16

約数和(自身を含む): 77056000

約数和(自身を除く): 10917753

約数列:

[1, 7, 79, 199, 553, 601, 1393, 4207, 15721, 47479, 110047, 119599, 332353, 837193, 9448321, 66138247]

約数ペア:

[(1, 66138247), (7, 9448321), (79, 837193), (199, 332353), (553, 119599), (601, 110047), (1393, 47479), (4207, 15721)]