1980910078

素因数分解:

$2^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{711023}}^1$

素因数の和:711231

約数の個数: 16

約数和(自身を含む): 3412915200

約数和(自身を除く): 1432005122

約数列:

[1, 2, 7, 14, 199, 398, 1393, 2786, 711023, 1422046, 4977161, 9954322, 141493577, 282987154, 990455039, 1980910078]

約数ペア:

[(1, 1980910078), (2, 990455039), (7, 282987154), (14, 141493577), (199, 9954322), (398, 4977161), (1393, 1422046), (2786, 711023)]