665701964

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{11779}}^1$

素因数の和:12053

約数の個数: 24

約数和(自身を含む): 1187424000

約数和(自身を除く): 521722036

約数列:

[1, 2, 4, 71, 142, 199, 284, 398, 796, 11779, 14129, 23558, 28258, 47116, 56516, 836309, 1672618, 2344021, 3345236, 4688042, 9376084, 166425491, 332850982, 665701964]

約数ペア:

[(1, 665701964), (2, 332850982), (4, 166425491), (71, 9376084), (142, 4688042), (199, 3345236), (284, 2344021), (398, 1672618), (796, 836309), (11779, 56516), (14129, 47116), (23558, 28258)]