16989756

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{787}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 45540096

約数和(自身を除く): 28550340

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 257, 514, 771, 787, 1028, 1542, 1574, 1799, 2361, 3084, 3148, 3598, 4722, 5397, 5509, 7196, 9444, 10794, 11018, 16527, 21588, 22036, 33054, 66108, 202259, 404518, 606777, 809036, 1213554, 1415813, 2427108, 2831626, 4247439, 5663252, 8494878, 16989756]

約数ペア:

[(1, 16989756), (2, 8494878), (3, 5663252), (4, 4247439), (6, 2831626), (7, 2427108), (12, 1415813), (14, 1213554), (21, 809036), (28, 606777), (42, 404518), (84, 202259), (257, 66108), (514, 33054), (771, 22036), (787, 21588), (1028, 16527), (1542, 11018), (1574, 10794), (1799, 9444), (2361, 7196), (3084, 5509), (3148, 5397), (3598, 4722)]