6397025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{79}}^2$

素因数の和:209

約数の個数: 18

約数和(自身を含む): 8229942

約数和(自身を除く): 1832917

約数列:

[1, 5, 25, 41, 79, 205, 395, 1025, 1975, 3239, 6241, 16195, 31205, 80975, 156025, 255881, 1279405, 6397025]

約数ペア:

[(1, 6397025), (5, 1279405), (25, 255881), (41, 156025), (79, 80975), (205, 31205), (395, 16195), (1025, 6241), (1975, 3239)]