25875577

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{829}}^1$

素因数の和:870

約数の個数: 20

約数和(自身を含む): 32547620

約数和(自身を除く): 6672043

約数列:

[1, 7, 13, 49, 91, 343, 637, 829, 2401, 4459, 5803, 10777, 31213, 40621, 75439, 284347, 528073, 1990429, 3696511, 25875577]

約数ペア:

[(1, 25875577), (7, 3696511), (13, 1990429), (49, 528073), (91, 284347), (343, 75439), (637, 40621), (829, 31213), (2401, 10777), (4459, 5803)]