16671368

素因数分解:

$2^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{599}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 36936000

約数和(自身を除く): 20264632

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 71, 98, 142, 196, 284, 392, 497, 568, 599, 994, 1198, 1988, 2396, 3479, 3976, 4193, 4792, 6958, 8386, 13916, 16772, 27832, 29351, 33544, 42529, 58702, 85058, 117404, 170116, 234808, 297703, 340232, 595406, 1190812, 2083921, 2381624, 4167842, 8335684, 16671368]

約数ペア:

[(1, 16671368), (2, 8335684), (4, 4167842), (7, 2381624), (8, 2083921), (14, 1190812), (28, 595406), (49, 340232), (56, 297703), (71, 234808), (98, 170116), (142, 117404), (196, 85058), (284, 58702), (392, 42529), (497, 33544), (568, 29351), (599, 27832), (994, 16772), (1198, 13916), (1988, 8386), (2396, 6958), (3479, 4792), (3976, 4193)]