208843208

素因数分解:

$2^3\times 7^1\times {\mathrm{389}}^1\times {\mathrm{9587}}^1$

素因数の和:9989

約数の個数: 32

約数和(自身を含む): 448718400

約数和(自身を除く): 239875192

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 389, 778, 1556, 2723, 3112, 5446, 9587, 10892, 19174, 21784, 38348, 67109, 76696, 134218, 268436, 536872, 3729343, 7458686, 14917372, 26105401, 29834744, 52210802, 104421604, 208843208]

約数ペア:

[(1, 208843208), (2, 104421604), (4, 52210802), (7, 29834744), (8, 26105401), (14, 14917372), (28, 7458686), (56, 3729343), (389, 536872), (778, 268436), (1556, 134218), (2723, 76696), (3112, 67109), (5446, 38348), (9587, 21784), (10892, 19174)]