257788999

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{6883}}^1$

素因数の和:7006

約数の個数: 16

約数和(自身を含む): 288356992

約数和(自身を除く): 30567993

約数列:

[1, 13, 43, 67, 559, 871, 2881, 6883, 37453, 89479, 295969, 461161, 3847597, 5995093, 19829923, 257788999]

約数ペア:

[(1, 257788999), (13, 19829923), (43, 5995093), (67, 3847597), (559, 461161), (871, 295969), (2881, 89479), (6883, 37453)]