66642728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{438439}}^1$

素因数の和:438464

約数の個数: 16

約数和(自身を含む): 131532000

約数和(自身を除く): 64889272

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 438439, 876878, 1753756, 3507512, 8330341, 16660682, 33321364, 66642728]

約数ペア:

[(1, 66642728), (2, 33321364), (4, 16660682), (8, 8330341), (19, 3507512), (38, 1753756), (76, 876878), (152, 438439)]