189856225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{8719}}^1$

素因数の和:8809

約数の個数: 24

約数和(自身を含む): 257344640

約数和(自身を除く): 67488415

約数列:

[1, 5, 13, 25, 65, 67, 325, 335, 871, 1675, 4355, 8719, 21775, 43595, 113347, 217975, 566735, 584173, 2833675, 2920865, 7594249, 14604325, 37971245, 189856225]

約数ペア:

[(1, 189856225), (5, 37971245), (13, 14604325), (25, 7594249), (65, 2920865), (67, 2833675), (325, 584173), (335, 566735), (871, 217975), (1675, 113347), (4355, 43595), (8719, 21775)]