128772008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{946853}}^1$

素因数の和:946876

約数の個数: 16

約数和(自身を含む): 255650580

約数和(自身を除く): 126878572

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 946853, 1893706, 3787412, 7574824, 16096501, 32193002, 64386004, 128772008]

約数ペア:

[(1, 128772008), (2, 64386004), (4, 32193002), (8, 16096501), (17, 7574824), (34, 3787412), (68, 1893706), (136, 946853)]