2172620879

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{78721}}^1$

素因数の和:78938

約数の個数: 16

約数和(自身を含む): 2565707424

約数和(自身を除く): 393086545

約数列:

[1, 11, 13, 143, 193, 2123, 2509, 27599, 78721, 865931, 1023373, 11257103, 15193153, 167124683, 197510989, 2172620879]

約数ペア:

[(1, 2172620879), (11, 197510989), (13, 167124683), (143, 15193153), (193, 11257103), (2123, 1023373), (2509, 865931), (27599, 78721)]