81213731.000000000

素因数分解:

$2^7\times 3^2\times {\mathrm{596789}}^1$

素因数の和:596809

約数の個数: 48

約数和(自身を含む): 1978358850

約数和(自身を除く): 1290857922

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 288, 384, 576, 1152, 596789, 1193578, 1790367, 2387156, 3580734, 4774312, 5371101, 7161468, 9548624, 10742202, 14322936, 19097248, 21484404, 28645872, 38194496, 42968808, 57291744, 76388992, 85937616, 114583488, 171875232, 229166976, 343750464, 687500928]

約数ペア:

[(1, 687500928), (2, 343750464), (3, 229166976), (4, 171875232), (6, 114583488), (8, 85937616), (9, 76388992), (12, 57291744), (16, 42968808), (18, 38194496), (24, 28645872), (32, 21484404), (36, 19097248), (48, 14322936), (64, 10742202), (72, 9548624), (96, 7161468), (128, 5371101), (144, 4774312), (192, 3580734), (288, 2387156), (384, 1790367), (576, 1193578), (1152, 596789)]