77785825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3371}}^1$

素因数の和:3465

約数の個数: 24

約数和(自身を含む): 105368256

約数和(自身を除く): 27582431

約数列:

[1, 5, 13, 25, 65, 71, 325, 355, 923, 1775, 3371, 4615, 16855, 23075, 43823, 84275, 219115, 239341, 1095575, 1196705, 3111433, 5983525, 15557165, 77785825]

約数ペア:

[(1, 77785825), (5, 15557165), (13, 5983525), (25, 3111433), (65, 1196705), (71, 1095575), (325, 239341), (355, 219115), (923, 84275), (1775, 43823), (3371, 23075), (4615, 16855)]