205161008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{986351}}^1$

素因数の和:986372

約数の個数: 20

約数和(自身を含む): 428076768

約数和(自身を除く): 222915760

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 986351, 1972702, 3945404, 7890808, 12822563, 15781616, 25645126, 51290252, 102580504, 205161008]

約数ペア:

[(1, 205161008), (2, 102580504), (4, 51290252), (8, 25645126), (13, 15781616), (16, 12822563), (26, 7890808), (52, 3945404), (104, 1972702), (208, 986351)]