68431321

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{2753}}^1$

素因数の和:2880

約数の個数: 16

約数和(自身を含む): 80901504

約数和(自身を除く): 12470183

約数列:

[1, 7, 53, 67, 371, 469, 2753, 3551, 19271, 24857, 145909, 184451, 1021363, 1291157, 9775903, 68431321]

約数ペア:

[(1, 68431321), (7, 9775903), (53, 1291157), (67, 1021363), (371, 184451), (469, 145909), (2753, 24857), (3551, 19271)]