209375315

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{823}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 276587136

約数和(自身を除く): 67211821

約数列:

[1, 5, 17, 41, 73, 85, 205, 365, 697, 823, 1241, 2993, 3485, 4115, 6205, 13991, 14965, 33743, 50881, 60079, 69955, 168715, 254405, 300395, 573631, 1021343, 2463239, 2868155, 5106715, 12316195, 41875063, 209375315]

約数ペア:

[(1, 209375315), (5, 41875063), (17, 12316195), (41, 5106715), (73, 2868155), (85, 2463239), (205, 1021343), (365, 573631), (697, 300395), (823, 254405), (1241, 168715), (2993, 69955), (3485, 60079), (4115, 50881), (6205, 33743), (13991, 14965)]