16442881

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 20913984

約数和(自身を除く): 4471103

約数列:

[1, 7, 13, 49, 83, 91, 311, 581, 637, 1079, 2177, 4043, 4067, 7553, 15239, 25813, 28301, 52871, 180691, 198107, 335569, 1264837, 2348983, 16442881]

約数ペア:

[(1, 16442881), (7, 2348983), (13, 1264837), (49, 335569), (83, 198107), (91, 180691), (311, 52871), (581, 28301), (637, 25813), (1079, 15239), (2177, 7553), (4043, 4067)]