68739076

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^2\times {\mathrm{487}}^1$

素因数の和:640

約数の個数: 36

約数和(自身を含む): 139728064

約数和(自身を除く): 70988988

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 487, 497, 974, 994, 1948, 1988, 3409, 5041, 6818, 10082, 13636, 20164, 34577, 35287, 69154, 70574, 138308, 141148, 242039, 484078, 968156, 2454967, 4909934, 9819868, 17184769, 34369538, 68739076]

約数ペア:

[(1, 68739076), (2, 34369538), (4, 17184769), (7, 9819868), (14, 4909934), (28, 2454967), (71, 968156), (142, 484078), (284, 242039), (487, 141148), (497, 138308), (974, 70574), (994, 69154), (1948, 35287), (1988, 34577), (3409, 20164), (5041, 13636), (6818, 10082)]