80426398

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 133215264

約数和(自身を除く): 52788866

約数列:

[1, 2, 13, 26, 67, 134, 137, 274, 337, 674, 871, 1742, 1781, 3562, 4381, 8762, 9179, 18358, 22579, 45158, 46169, 92338, 119327, 238654, 293527, 587054, 600197, 1200394, 3093323, 6186646, 40213199, 80426398]

約数ペア:

[(1, 80426398), (2, 40213199), (13, 6186646), (26, 3093323), (67, 1200394), (134, 600197), (137, 587054), (274, 293527), (337, 238654), (674, 119327), (871, 92338), (1742, 46169), (1781, 45158), (3562, 22579), (4381, 18358), (8762, 9179)]