25640083

素因数分解:

$7^2\times {\mathrm{43}}^2\times {\mathrm{283}}^1$

素因数の和:383

約数の個数: 18

約数和(自身を含む): 30643884

約数和(自身を除く): 5003801

約数列:

[1, 7, 43, 49, 283, 301, 1849, 1981, 2107, 12169, 12943, 13867, 85183, 90601, 523267, 596281, 3662869, 25640083]

約数ペア:

[(1, 25640083), (7, 3662869), (43, 596281), (49, 523267), (283, 90601), (301, 85183), (1849, 13867), (1981, 12943), (2107, 12169)]