172266815

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{3947}}^1$

素因数の和:4031

約数の個数: 32

約数和(自身を含む): 250145280

約数和(自身を除く): 77878465

約数列:

[1, 5, 7, 29, 35, 43, 145, 203, 215, 301, 1015, 1247, 1505, 3947, 6235, 8729, 19735, 27629, 43645, 114463, 138145, 169721, 572315, 801241, 848605, 1188047, 4006205, 4921909, 5940235, 24609545, 34453363, 172266815]

約数ペア:

[(1, 172266815), (5, 34453363), (7, 24609545), (29, 5940235), (35, 4921909), (43, 4006205), (145, 1188047), (203, 848605), (215, 801241), (301, 572315), (1015, 169721), (1247, 138145), (1505, 114463), (3947, 43645), (6235, 27629), (8729, 19735)]