81637925

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{6173}}^1$

素因数の和:6229

約数の個数: 18

約数和(自身を含む): 105840882

約数和(自身を除く): 24202957

約数列:

[1, 5, 23, 25, 115, 529, 575, 2645, 6173, 13225, 30865, 141979, 154325, 709895, 3265517, 3549475, 16327585, 81637925]

約数ペア:

[(1, 81637925), (5, 16327585), (23, 3549475), (25, 3265517), (115, 709895), (529, 154325), (575, 141979), (2645, 30865), (6173, 13225)]