28038472

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1979}}^1$

素因数の和:2026

約数の個数: 64

約数和(自身を含む): 68428800

約数和(自身を除く): 40390328

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 23, 28, 44, 46, 56, 77, 88, 92, 154, 161, 184, 253, 308, 322, 506, 616, 644, 1012, 1288, 1771, 1979, 2024, 3542, 3958, 7084, 7916, 13853, 14168, 15832, 21769, 27706, 43538, 45517, 55412, 87076, 91034, 110824, 152383, 174152, 182068, 304766, 318619, 364136, 500687, 609532, 637238, 1001374, 1219064, 1274476, 2002748, 2548952, 3504809, 4005496, 7009618, 14019236, 28038472]

約数ペア:

[(1, 28038472), (2, 14019236), (4, 7009618), (7, 4005496), (8, 3504809), (11, 2548952), (14, 2002748), (22, 1274476), (23, 1219064), (28, 1001374), (44, 637238), (46, 609532), (56, 500687), (77, 364136), (88, 318619), (92, 304766), (154, 182068), (161, 174152), (184, 152383), (253, 110824), (308, 91034), (322, 87076), (506, 55412), (616, 45517), (644, 43538), (1012, 27706), (1288, 21769), (1771, 15832), (1979, 14168), (2024, 13853), (3542, 7916), (3958, 7084)]