51806615

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1187}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 75271680

約数和(自身を除く): 23465065

約数列:

[1, 5, 7, 29, 35, 43, 145, 203, 215, 301, 1015, 1187, 1247, 1505, 5935, 6235, 8309, 8729, 34423, 41545, 43645, 51041, 172115, 240961, 255205, 357287, 1204805, 1480189, 1786435, 7400945, 10361323, 51806615]

約数ペア:

[(1, 51806615), (5, 10361323), (7, 7400945), (29, 1786435), (35, 1480189), (43, 1204805), (145, 357287), (203, 255205), (215, 240961), (301, 172115), (1015, 51041), (1187, 43645), (1247, 41545), (1505, 34423), (5935, 8729), (6235, 8309)]