1291296247085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{251469571}}^1$

素因数の和:251469668

約数の個数: 16

約数和(自身を含む): 1689875523840

約数和(自身を除く): 398579276755

約数列:

[1, 5, 13, 65, 79, 395, 1027, 5135, 251469571, 1257347855, 3269104423, 16345522115, 19866096109, 99330480545, 258259249417, 1291296247085]

約数ペア:

[(1, 1291296247085), (5, 258259249417), (13, 99330480545), (65, 19866096109), (79, 16345522115), (395, 3269104423), (1027, 1257347855), (5135, 251469571)]