289581019

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{15991}}^1$

素因数の和:16210

約数の個数: 16

約数和(自身を含む): 358220800

約数和(自身を除く): 68639781

約数列:

[1, 7, 13, 91, 199, 1393, 2587, 15991, 18109, 111937, 207883, 1455181, 3182209, 22275463, 41368717, 289581019]

約数ペア:

[(1, 289581019), (7, 41368717), (13, 22275463), (91, 3182209), (199, 1455181), (1393, 207883), (2587, 111937), (15991, 18109)]