66790168

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{439409}}^1$

素因数の和:439434

約数の個数: 16

約数和(自身を含む): 131823000

約数和(自身を除く): 65032832

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 439409, 878818, 1757636, 3515272, 8348771, 16697542, 33395084, 66790168]

約数ペア:

[(1, 66790168), (2, 33395084), (4, 16697542), (8, 8348771), (19, 3515272), (38, 1757636), (76, 878818), (152, 439409)]