80487979

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 101352384

約数和(自身を除く): 20864405

約数列:

[1, 11, 13, 17, 113, 143, 187, 221, 293, 1243, 1469, 1921, 2431, 3223, 3809, 4981, 16159, 21131, 24973, 33109, 41899, 54791, 64753, 274703, 364199, 430417, 562853, 712283, 4734587, 6191383, 7317089, 80487979]

約数ペア:

[(1, 80487979), (11, 7317089), (13, 6191383), (17, 4734587), (113, 712283), (143, 562853), (187, 430417), (221, 364199), (293, 274703), (1243, 64753), (1469, 54791), (1921, 41899), (2431, 33109), (3223, 24973), (3809, 21131), (4981, 16159)]