666749830

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{23143}}^1$

素因数の和:23260

約数の個数: 32

約数和(自身を含む): 1246443264

約数和(自身を除く): 579693434

約数列:

[1, 2, 5, 10, 43, 67, 86, 134, 215, 335, 430, 670, 2881, 5762, 14405, 23143, 28810, 46286, 115715, 231430, 995149, 1550581, 1990298, 3101162, 4975745, 7752905, 9951490, 15505810, 66674983, 133349966, 333374915, 666749830]

約数ペア:

[(1, 666749830), (2, 333374915), (5, 133349966), (10, 66674983), (43, 15505810), (67, 9951490), (86, 7752905), (134, 4975745), (215, 3101162), (335, 1990298), (430, 1550581), (670, 995149), (2881, 231430), (5762, 115715), (14405, 46286), (23143, 28810)]