208972621

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{76913}}^1$

素因数の和:76956

約数の個数: 16

約数和(自身を含む): 258431040

約数和(自身を除く): 49458419

約数列:

[1, 11, 13, 19, 143, 209, 247, 2717, 76913, 846043, 999869, 1461347, 10998559, 16074817, 18997511, 208972621]

約数ペア:

[(1, 208972621), (11, 18997511), (13, 16074817), (19, 10998559), (143, 1461347), (209, 999869), (247, 846043), (2717, 76913)]