28191856

素因数分解:

$2^4\times 7^3\times {\mathrm{11}}^1\times {\mathrm{467}}^1$

素因数の和:507

約数の個数: 80

約数和(自身を含む): 69638400

約数和(自身を除く): 41446544

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 343, 392, 467, 539, 616, 686, 784, 934, 1078, 1232, 1372, 1868, 2156, 2744, 3269, 3736, 3773, 4312, 5137, 5488, 6538, 7472, 7546, 8624, 10274, 13076, 15092, 20548, 22883, 26152, 30184, 35959, 41096, 45766, 52304, 60368, 71918, 82192, 91532, 143836, 160181, 183064, 251713, 287672, 320362, 366128, 503426, 575344, 640724, 1006852, 1281448, 1761991, 2013704, 2562896, 3523982, 4027408, 7047964, 14095928, 28191856]

約数ペア:

[(1, 28191856), (2, 14095928), (4, 7047964), (7, 4027408), (8, 3523982), (11, 2562896), (14, 2013704), (16, 1761991), (22, 1281448), (28, 1006852), (44, 640724), (49, 575344), (56, 503426), (77, 366128), (88, 320362), (98, 287672), (112, 251713), (154, 183064), (176, 160181), (196, 143836), (308, 91532), (343, 82192), (392, 71918), (467, 60368), (539, 52304), (616, 45766), (686, 41096), (784, 35959), (934, 30184), (1078, 26152), (1232, 22883), (1372, 20548), (1868, 15092), (2156, 13076), (2744, 10274), (3269, 8624), (3736, 7546), (3773, 7472), (4312, 6538), (5137, 5488)]