28411975

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{523}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 36841392

約数和(自身を除く): 8429417

約数列:

[1, 5, 25, 41, 53, 205, 265, 523, 1025, 1325, 2173, 2615, 10865, 13075, 21443, 27719, 54325, 107215, 138595, 536075, 692975, 1136479, 5682395, 28411975]

約数ペア:

[(1, 28411975), (5, 5682395), (25, 1136479), (41, 692975), (53, 536075), (205, 138595), (265, 107215), (523, 54325), (1025, 27719), (1325, 21443), (2173, 13075), (2615, 10865)]