257434957

素因数分解:

${\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1\times {\mathrm{521}}^1$

素因数の和:924

約数の個数: 16

約数和(自身を含む): 280627200

約数和(自身を除く): 23192243

約数列:

[1, 13, 191, 199, 521, 2483, 2587, 6773, 38009, 99511, 103679, 494117, 1293643, 1347827, 19802689, 257434957]

約数ペア:

[(1, 257434957), (13, 19802689), (191, 1347827), (199, 1293643), (521, 494117), (2483, 103679), (2587, 99511), (6773, 38009)]