25669209

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 37888000

約数和(自身を除く): 12218791

約数列:

[1, 3, 19, 31, 57, 73, 93, 199, 219, 589, 597, 1387, 1767, 2263, 3781, 4161, 6169, 6789, 11343, 14527, 18507, 42997, 43581, 117211, 128991, 276013, 351633, 450337, 828039, 1351011, 8556403, 25669209]

約数ペア:

[(1, 25669209), (3, 8556403), (19, 1351011), (31, 828039), (57, 450337), (73, 351633), (93, 276013), (199, 128991), (219, 117211), (589, 43581), (597, 42997), (1387, 18507), (1767, 14527), (2263, 11343), (3781, 6789), (4161, 6169)]