198996850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{306149}}^1$

素因数の和:306174

約数の個数: 24

約数和(自身を含む): 398607300

約数和(自身を除く): 199610450

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 306149, 612298, 1530745, 3061490, 3979937, 7653725, 7959874, 15307450, 19899685, 39799370, 99498425, 198996850]

約数ペア:

[(1, 198996850), (2, 99498425), (5, 39799370), (10, 19899685), (13, 15307450), (25, 7959874), (26, 7653725), (50, 3979937), (65, 3061490), (130, 1530745), (325, 612298), (650, 306149)]