220334881

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1\times {\mathrm{643}}^1$

素因数の和:1312

約数の個数: 16

約数和(自身を含む): 243576256

約数和(自身を除く): 23241375

約数列:

[1, 13, 43, 559, 613, 643, 7969, 8359, 26359, 27649, 342667, 359437, 394159, 5124067, 16948837, 220334881]

約数ペア:

[(1, 220334881), (13, 16948837), (43, 5124067), (559, 394159), (613, 359437), (643, 342667), (7969, 27649), (8359, 26359)]