51151705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1579}}^1$

素因数の和:1645

約数の個数: 32

約数和(自身を含む): 72806400

約数和(自身を除く): 21654695

約数列:

[1, 5, 11, 19, 31, 55, 95, 155, 209, 341, 589, 1045, 1579, 1705, 2945, 6479, 7895, 17369, 30001, 32395, 48949, 86845, 150005, 244745, 330011, 538439, 930031, 1650055, 2692195, 4650155, 10230341, 51151705]

約数ペア:

[(1, 51151705), (5, 10230341), (11, 4650155), (19, 2692195), (31, 1650055), (55, 930031), (95, 538439), (155, 330011), (209, 244745), (341, 150005), (589, 86845), (1045, 48949), (1579, 32395), (1705, 30001), (2945, 17369), (6479, 7895)]