81682748

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{8081}}^1$

素因数の和:8130

約数の個数: 36

約数和(自身を含む): 172437552

約数和(自身を除く): 90754804

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 2527, 5054, 8081, 10108, 16162, 32324, 56567, 113134, 153539, 226268, 307078, 614156, 1074773, 2149546, 2917241, 4299092, 5834482, 11668964, 20420687, 40841374, 81682748]

約数ペア:

[(1, 81682748), (2, 40841374), (4, 20420687), (7, 11668964), (14, 5834482), (19, 4299092), (28, 2917241), (38, 2149546), (76, 1074773), (133, 614156), (266, 307078), (361, 226268), (532, 153539), (722, 113134), (1444, 56567), (2527, 32324), (5054, 16162), (8081, 10108)]