25489781

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:452

約数の個数: 16

約数和(自身を含む): 27491328

約数和(自身を除く): 2001547

約数列:

[1, 31, 37, 71, 313, 1147, 2201, 2627, 9703, 11581, 22223, 81437, 359011, 688913, 822251, 25489781]

約数ペア:

[(1, 25489781), (31, 822251), (37, 688913), (71, 359011), (313, 81437), (1147, 22223), (2201, 11581), (2627, 9703)]