208657925

素因数分解:

$5^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{2887}}^1$

素因数の和:2970

約数の個数: 36

約数和(自身を含む): 306185760

約数和(自身を除く): 97527835

約数列:

[1, 5, 7, 25, 35, 49, 59, 175, 245, 295, 413, 1225, 1475, 2065, 2887, 2891, 10325, 14435, 14455, 20209, 72175, 72275, 101045, 141463, 170333, 505225, 707315, 851665, 1192331, 3536575, 4258325, 5961655, 8346317, 29808275, 41731585, 208657925]

約数ペア:

[(1, 208657925), (5, 41731585), (7, 29808275), (25, 8346317), (35, 5961655), (49, 4258325), (59, 3536575), (175, 1192331), (245, 851665), (295, 707315), (413, 505225), (1225, 170333), (1475, 141463), (2065, 101045), (2887, 72275), (2891, 72175), (10325, 20209), (14435, 14455)]