261086975

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{2473}}^1$

素因数の和:2627

約数の個数: 24

約数和(自身を含む): 334999392

約数和(自身を除く): 73912417

約数列:

[1, 5, 25, 41, 103, 205, 515, 1025, 2473, 2575, 4223, 12365, 21115, 61825, 101393, 105575, 254719, 506965, 1273595, 2534825, 6367975, 10443479, 52217395, 261086975]

約数ペア:

[(1, 261086975), (5, 52217395), (25, 10443479), (41, 6367975), (103, 2534825), (205, 1273595), (515, 506965), (1025, 254719), (2473, 105575), (2575, 101393), (4223, 61825), (12365, 21115)]