51890993

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{21739}}^1$

素因数の和:21788

約数の個数: 16

約数和(自身を含む): 66785280

約数和(自身を除く): 14894287

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 21739, 152173, 239129, 673909, 1673903, 4717363, 7412999, 51890993]

約数ペア:

[(1, 51890993), (7, 7412999), (11, 4717363), (31, 1673903), (77, 673909), (217, 239129), (341, 152173), (2387, 21739)]