25434331

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^2$

素因数の和:223

約数の個数: 18

約数和(自身を含む): 29320260

約数和(自身を除く): 3885929

約数列:

[1, 13, 19, 89, 169, 247, 1157, 1691, 3211, 7921, 15041, 21983, 102973, 150499, 285779, 1338649, 1956487, 25434331]

約数ペア:

[(1, 25434331), (13, 1956487), (19, 1338649), (89, 285779), (169, 150499), (247, 102973), (1157, 21983), (1691, 15041), (3211, 7921)]