25871209

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2657}}^1$

素因数の和:2784

約数の個数: 16

約数和(自身を含む): 32151168

約数和(自身を除く): 6279959

約数列:

[1, 7, 13, 91, 107, 749, 1391, 2657, 9737, 18599, 34541, 241787, 284299, 1990093, 3695887, 25871209]

約数ペア:

[(1, 25871209), (7, 3695887), (13, 1990093), (91, 284299), (107, 241787), (749, 34541), (1391, 18599), (2657, 9737)]