19960213

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5101}}^1$

素因数の和:5164

約数の個数: 16

約数和(自身を含む): 25142656

約数和(自身を除く): 5182443

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 5101, 35707, 66313, 219343, 464191, 1535401, 2851459, 19960213]

約数ペア:

[(1, 19960213), (7, 2851459), (13, 1535401), (43, 464191), (91, 219343), (301, 66313), (559, 35707), (3913, 5101)]