128693728

素因数分解:

$2^5\times {\mathrm{439}}^1\times {\mathrm{9161}}^1$

素因数の和:9610

約数の個数: 24

約数和(自身を含む): 253970640

約数和(自身を除く): 125276912

約数列:

[1, 2, 4, 8, 16, 32, 439, 878, 1756, 3512, 7024, 9161, 14048, 18322, 36644, 73288, 146576, 293152, 4021679, 8043358, 16086716, 32173432, 64346864, 128693728]

約数ペア:

[(1, 128693728), (2, 64346864), (4, 32173432), (8, 16086716), (16, 8043358), (32, 4021679), (439, 293152), (878, 146576), (1756, 73288), (3512, 36644), (7024, 18322), (9161, 14048)]