51211325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2551}}^1$

素因数の和:2645

約数の個数: 24

約数和(自身を含む): 70251456

約数和(自身を除く): 19040131

約数列:

[1, 5, 11, 25, 55, 73, 275, 365, 803, 1825, 2551, 4015, 12755, 20075, 28061, 63775, 140305, 186223, 701525, 931115, 2048453, 4655575, 10242265, 51211325]

約数ペア:

[(1, 51211325), (5, 10242265), (11, 4655575), (25, 2048453), (55, 931115), (73, 701525), (275, 186223), (365, 140305), (803, 63775), (1825, 28061), (2551, 20075), (4015, 12755)]