128790778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1009}}^1\times {\mathrm{3359}}^1$

素因数の和:4389

約数の個数: 16

約数和(自身を含む): 203616000

約数和(自身を除く): 74825222

約数列:

[1, 2, 19, 38, 1009, 2018, 3359, 6718, 19171, 38342, 63821, 127642, 3389231, 6778462, 64395389, 128790778]

約数ペア:

[(1, 128790778), (2, 64395389), (19, 6778462), (38, 3389231), (1009, 127642), (2018, 63821), (3359, 38342), (6718, 19171)]