128218004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{4523}}^1$

素因数の和:4919

約数の個数: 24

約数和(自身を含む): 236876640

約数和(自身を除く): 108658636

約数列:

[1, 2, 4, 19, 38, 76, 373, 746, 1492, 4523, 7087, 9046, 14174, 18092, 28348, 85937, 171874, 343748, 1687079, 3374158, 6748316, 32054501, 64109002, 128218004]

約数ペア:

[(1, 128218004), (2, 64109002), (4, 32054501), (19, 6748316), (38, 3374158), (76, 1687079), (373, 343748), (746, 171874), (1492, 85937), (4523, 28348), (7087, 18092), (9046, 14174)]