16831745

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 25608960

約数和(自身を除く): 8777215

約数列:

[1, 5, 7, 23, 29, 35, 49, 103, 115, 145, 161, 203, 245, 515, 667, 721, 805, 1015, 1127, 1421, 2369, 2987, 3335, 3605, 4669, 5047, 5635, 7105, 11845, 14935, 16583, 20909, 23345, 25235, 32683, 68701, 82915, 104545, 116081, 146363, 163415, 343505, 480907, 580405, 731815, 2404535, 3366349, 16831745]

約数ペア:

[(1, 16831745), (5, 3366349), (7, 2404535), (23, 731815), (29, 580405), (35, 480907), (49, 343505), (103, 163415), (115, 146363), (145, 116081), (161, 104545), (203, 82915), (245, 68701), (515, 32683), (667, 25235), (721, 23345), (805, 20909), (1015, 16583), (1127, 14935), (1421, 11845), (2369, 7105), (2987, 5635), (3335, 5047), (3605, 4669)]