51993851

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2633}}^1$

素因数の和:2691

約数の個数: 24

約数和(自身を含む): 67261824

約数和(自身を除く): 15267973

約数列:

[1, 7, 13, 31, 49, 91, 217, 403, 637, 1519, 2633, 2821, 18431, 19747, 34229, 81623, 129017, 239603, 571361, 1061099, 1677221, 3999527, 7427693, 51993851]

約数ペア:

[(1, 51993851), (7, 7427693), (13, 3999527), (31, 1677221), (49, 1061099), (91, 571361), (217, 239603), (403, 129017), (637, 81623), (1519, 34229), (2633, 19747), (2821, 18431)]