16648009

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:181

約数の個数: 32

約数和(自身を含む): 21288960

約数和(自身を除く): 4640951

約数列:

[1, 7, 19, 41, 43, 71, 133, 287, 301, 497, 779, 817, 1349, 1763, 2911, 3053, 5453, 5719, 9443, 12341, 20377, 21371, 33497, 55309, 58007, 125173, 234479, 387163, 406049, 876211, 2378287, 16648009]

約数ペア:

[(1, 16648009), (7, 2378287), (19, 876211), (41, 406049), (43, 387163), (71, 234479), (133, 125173), (287, 58007), (301, 55309), (497, 33497), (779, 21371), (817, 20377), (1349, 12341), (1763, 9443), (2911, 5719), (3053, 5453)]