71811824

素因数分解:

$2^4\times 7^1\times {\mathrm{647}}^1\times {\mathrm{991}}^1$

素因数の和:1653

約数の個数: 40

約数和(自身を含む): 159418368

約数和(自身を除く): 87606544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 647, 991, 1294, 1982, 2588, 3964, 4529, 5176, 6937, 7928, 9058, 10352, 13874, 15856, 18116, 27748, 36232, 55496, 72464, 110992, 641177, 1282354, 2564708, 4488239, 5129416, 8976478, 10258832, 17952956, 35905912, 71811824]

約数ペア:

[(1, 71811824), (2, 35905912), (4, 17952956), (7, 10258832), (8, 8976478), (14, 5129416), (16, 4488239), (28, 2564708), (56, 1282354), (112, 641177), (647, 110992), (991, 72464), (1294, 55496), (1982, 36232), (2588, 27748), (3964, 18116), (4529, 15856), (5176, 13874), (6937, 10352), (7928, 9058)]