2558208455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{655111}}^1$

素因数の和:655198

約数の個数: 16

約数和(自身を含む): 3396100608

約数和(自身を除く): 837892153

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 655111, 3275555, 7206221, 36031105, 46512881, 232564405, 511641691, 2558208455]

約数ペア:

[(1, 2558208455), (5, 511641691), (11, 232564405), (55, 46512881), (71, 36031105), (355, 7206221), (781, 3275555), (3905, 655111)]