668867906

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2514541}}^1$

素因数の和:2514569

約数の個数: 16

約数和(自身を含む): 1206980160

約数和(自身を除く): 538112254

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 2514541, 5029082, 17601787, 35203574, 47776279, 95552558, 334433953, 668867906]

約数ペア:

[(1, 668867906), (2, 334433953), (7, 95552558), (14, 47776279), (19, 35203574), (38, 17601787), (133, 5029082), (266, 2514541)]