12213971

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1249}}^1$

素因数の和:1394

約数の個数: 16

約数和(自身を含む): 15360000

約数和(自身を除く): 3146029

約数列:

[1, 7, 11, 77, 127, 889, 1249, 1397, 8743, 9779, 13739, 96173, 158623, 1110361, 1744853, 12213971]

約数ペア:

[(1, 12213971), (7, 1744853), (11, 1110361), (77, 158623), (127, 96173), (889, 13739), (1249, 9779), (1397, 8743)]