28161056

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1039}}^1$

素因数の和:1078

約数の個数: 72

約数和(自身を含む): 69713280

約数和(自身を除く): 41552224

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 121, 154, 176, 224, 242, 308, 352, 484, 616, 847, 968, 1039, 1232, 1694, 1936, 2078, 2464, 3388, 3872, 4156, 6776, 7273, 8312, 11429, 13552, 14546, 16624, 22858, 27104, 29092, 33248, 45716, 58184, 80003, 91432, 116368, 125719, 160006, 182864, 232736, 251438, 320012, 365728, 502876, 640024, 880033, 1005752, 1280048, 1760066, 2011504, 2560096, 3520132, 4023008, 7040264, 14080528, 28161056]

約数ペア:

[(1, 28161056), (2, 14080528), (4, 7040264), (7, 4023008), (8, 3520132), (11, 2560096), (14, 2011504), (16, 1760066), (22, 1280048), (28, 1005752), (32, 880033), (44, 640024), (56, 502876), (77, 365728), (88, 320012), (112, 251438), (121, 232736), (154, 182864), (176, 160006), (224, 125719), (242, 116368), (308, 91432), (352, 80003), (484, 58184), (616, 45716), (847, 33248), (968, 29092), (1039, 27104), (1232, 22858), (1694, 16624), (1936, 14546), (2078, 13552), (2464, 11429), (3388, 8312), (3872, 7273), (4156, 6776)]