28132630

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:484

約数の個数: 32

約数和(自身を含む): 51897600

約数和(自身を除く): 23764970

約数列:

[1, 2, 5, 10, 67, 134, 199, 211, 335, 398, 422, 670, 995, 1055, 1990, 2110, 13333, 14137, 26666, 28274, 41989, 66665, 70685, 83978, 133330, 141370, 209945, 419890, 2813263, 5626526, 14066315, 28132630]

約数ペア:

[(1, 28132630), (2, 14066315), (5, 5626526), (10, 2813263), (67, 419890), (134, 209945), (199, 141370), (211, 133330), (335, 83978), (398, 70685), (422, 66665), (670, 41989), (995, 28274), (1055, 26666), (1990, 14137), (2110, 13333)]