206576209

素因数分解:

$7^3\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 249696000

約数和(自身を除く): 43119791

約数列:

[1, 7, 49, 67, 89, 101, 343, 469, 623, 707, 3283, 4361, 4949, 5963, 6767, 8989, 22981, 30527, 34643, 41741, 47369, 62923, 292187, 331583, 440461, 602263, 2045309, 2321081, 3083227, 4215841, 29510887, 206576209]

約数ペア:

[(1, 206576209), (7, 29510887), (49, 4215841), (67, 3083227), (89, 2321081), (101, 2045309), (343, 602263), (469, 440461), (623, 331583), (707, 292187), (3283, 62923), (4361, 47369), (4949, 41741), (5963, 34643), (6767, 30527), (8989, 22981)]