209892464

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{65921}}^1$

素因数の和:66128

約数の個数: 20

約数和(自身を含む): 408716400

約数和(自身を除く): 198823936

約数列:

[1, 2, 4, 8, 16, 199, 398, 796, 1592, 3184, 65921, 131842, 263684, 527368, 1054736, 13118279, 26236558, 52473116, 104946232, 209892464]

約数ペア:

[(1, 209892464), (2, 104946232), (4, 52473116), (8, 26236558), (16, 13118279), (199, 1054736), (398, 527368), (796, 263684), (1592, 131842), (3184, 65921)]