71781073

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21319}}^1$

素因数の和:21376

約数の個数: 16

約数和(自身を含む): 90737920

約数和(自身を除く): 18956847

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 21319, 149233, 277147, 788803, 1940029, 5521621, 10254439, 71781073]

約数ペア:

[(1, 71781073), (7, 10254439), (13, 5521621), (37, 1940029), (91, 788803), (259, 277147), (481, 149233), (3367, 21319)]