128778824

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{240259}}^1$

素因数の和:240332

約数の個数: 16

約数和(自身を含む): 245065200

約数和(自身を除く): 116286376

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 240259, 480518, 961036, 1922072, 16097353, 32194706, 64389412, 128778824]

約数ペア:

[(1, 128778824), (2, 64389412), (4, 32194706), (8, 16097353), (67, 1922072), (134, 961036), (268, 480518), (536, 240259)]