68287984

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{16607}}^1$

素因数の和:16872

約数の個数: 20

約数和(自身を含む): 132830784

約数和(自身を除く): 64542800

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 16607, 33214, 66428, 132856, 265712, 4267999, 8535998, 17071996, 34143992, 68287984]

約数ペア:

[(1, 68287984), (2, 34143992), (4, 17071996), (8, 8535998), (16, 4267999), (257, 265712), (514, 132856), (1028, 66428), (2056, 33214), (4112, 16607)]