139380865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{112859}}^1$

素因数の和:112896

約数の個数: 16

約数和(自身を含む): 189604800

約数和(自身を除く): 50223935

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 112859, 564295, 1467167, 2144321, 7335835, 10721605, 27876173, 139380865]

約数ペア:

[(1, 139380865), (5, 27876173), (13, 10721605), (19, 7335835), (65, 2144321), (95, 1467167), (247, 564295), (1235, 112859)]