8242975

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{1951}}^1$

素因数の和:1987

約数の個数: 18

約数和(自身を含む): 11073696

約数和(自身を除く): 2830721

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 1951, 4225, 9755, 25363, 48775, 126815, 329719, 634075, 1648595, 8242975]

約数ペア:

[(1, 8242975), (5, 1648595), (13, 634075), (25, 329719), (65, 126815), (169, 48775), (325, 25363), (845, 9755), (1951, 4225)]