85475975

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{20231}}^1$

素因数の和:20267

約数の個数: 18

約数和(自身を含む): 114776136

約数和(自身を除く): 29300161

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 20231, 101155, 263003, 505775, 1315015, 3419039, 6575075, 17095195, 85475975]

約数ペア:

[(1, 85475975), (5, 17095195), (13, 6575075), (25, 3419039), (65, 1315015), (169, 505775), (325, 263003), (845, 101155), (4225, 20231)]