51997205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{593}}^1$

素因数の和:701

約数の個数: 32

約数和(自身を含む): 71850240

約数和(自身を除く): 19853035

約数列:

[1, 5, 13, 19, 65, 71, 95, 247, 355, 593, 923, 1235, 1349, 2965, 4615, 6745, 7709, 11267, 17537, 38545, 42103, 56335, 87685, 146471, 210515, 547339, 732355, 799957, 2736695, 3999785, 10399441, 51997205]

約数ペア:

[(1, 51997205), (5, 10399441), (13, 3999785), (19, 2736695), (65, 799957), (71, 732355), (95, 547339), (247, 210515), (355, 146471), (593, 87685), (923, 56335), (1235, 42103), (1349, 38545), (2965, 17537), (4615, 11267), (6745, 7709)]