16987768

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4973}}^1$

素因数の和:5047

約数の個数: 32

約数和(自身を含む): 37006560

約数和(自身を除く): 20018792

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 4973, 9946, 19892, 34811, 39784, 69622, 139244, 278488, 303353, 606706, 1213412, 2123471, 2426824, 4246942, 8493884, 16987768]

約数ペア:

[(1, 16987768), (2, 8493884), (4, 4246942), (7, 2426824), (8, 2123471), (14, 1213412), (28, 606706), (56, 303353), (61, 278488), (122, 139244), (244, 69622), (427, 39784), (488, 34811), (854, 19892), (1708, 9946), (3416, 4973)]