2590679

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:124

約数の個数: 20

約数和(自身を含む): 3293976

約数和(自身を除く): 703297

約数列:

[1, 7, 13, 49, 83, 91, 343, 581, 637, 1079, 2401, 4067, 4459, 7553, 28469, 31213, 52871, 199283, 370097, 2590679]

約数ペア:

[(1, 2590679), (7, 370097), (13, 199283), (49, 52871), (83, 31213), (91, 28469), (343, 7553), (581, 4459), (637, 4067), (1079, 2401)]