12781879

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:558

約数の個数: 16

約数和(自身を含む): 14534784

約数和(自身を除く): 1752905

約数列:

[1, 11, 43, 61, 443, 473, 671, 2623, 4873, 19049, 27023, 28853, 209539, 297253, 1161989, 12781879]

約数ペア:

[(1, 12781879), (11, 1161989), (43, 297253), (61, 209539), (443, 28853), (473, 27023), (671, 19049), (2623, 4873)]