2081220008

素因数分解:

$2^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{186757}}^1$

素因数の和:186969

約数の個数: 32

約数和(自身を含む): 4482192000

約数和(自身を除く): 2400971992

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 199, 398, 796, 1393, 1592, 2786, 5572, 11144, 186757, 373514, 747028, 1307299, 1494056, 2614598, 5229196, 10458392, 37164643, 74329286, 148658572, 260152501, 297317144, 520305002, 1040610004, 2081220008]

約数ペア:

[(1, 2081220008), (2, 1040610004), (4, 520305002), (7, 297317144), (8, 260152501), (14, 148658572), (28, 74329286), (56, 37164643), (199, 10458392), (398, 5229196), (796, 2614598), (1393, 1494056), (1592, 1307299), (2786, 747028), (5572, 373514), (11144, 186757)]