320438258

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1\times {\mathrm{1117}}^1$

素因数の和:1818

約数の個数: 32

約数和(自身を含む): 568409088

約数和(自身を除く): 247970830

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 661, 1117, 1322, 2234, 4627, 7819, 9254, 15638, 20491, 34627, 40982, 69254, 143437, 242389, 286874, 484778, 738337, 1476674, 5168359, 10336718, 22888447, 45776894, 160219129, 320438258]

約数ペア:

[(1, 320438258), (2, 160219129), (7, 45776894), (14, 22888447), (31, 10336718), (62, 5168359), (217, 1476674), (434, 738337), (661, 484778), (1117, 286874), (1322, 242389), (2234, 143437), (4627, 69254), (7819, 40982), (9254, 34627), (15638, 20491)]