81078946

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{20929}}^1$

素因数の和:21093

約数の個数: 16

約数和(自身を含む): 131859000

約数和(自身を除く): 50780054

約数列:

[1, 2, 13, 26, 149, 298, 1937, 3874, 20929, 41858, 272077, 544154, 3118421, 6236842, 40539473, 81078946]

約数ペア:

[(1, 81078946), (2, 40539473), (13, 6236842), (26, 3118421), (149, 544154), (298, 272077), (1937, 41858), (3874, 20929)]