1238992945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{165089}}^1$

素因数の和:165192

約数の個数: 16

約数和(自身を含む): 1584864000

約数和(自身を除く): 345871055

約数列:

[1, 5, 19, 79, 95, 395, 1501, 7505, 165089, 825445, 3136691, 13042031, 15683455, 65210155, 247798589, 1238992945]

約数ペア:

[(1, 1238992945), (5, 247798589), (19, 65210155), (79, 15683455), (95, 13042031), (395, 3136691), (1501, 825445), (7505, 165089)]