28164136

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3517}}^1$

素因数の和:3554

約数の個数: 64

約数和(自身を含む): 70922880

約数和(自身を除く): 42758744

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 3517, 4004, 7034, 8008, 14068, 24619, 28136, 38687, 45721, 49238, 77374, 91442, 98476, 154748, 182884, 196952, 270809, 309496, 320047, 365768, 502931, 541618, 640094, 1005862, 1083236, 1280188, 2011724, 2166472, 2560376, 3520517, 4023448, 7041034, 14082068, 28164136]

約数ペア:

[(1, 28164136), (2, 14082068), (4, 7041034), (7, 4023448), (8, 3520517), (11, 2560376), (13, 2166472), (14, 2011724), (22, 1280188), (26, 1083236), (28, 1005862), (44, 640094), (52, 541618), (56, 502931), (77, 365768), (88, 320047), (91, 309496), (104, 270809), (143, 196952), (154, 182884), (182, 154748), (286, 98476), (308, 91442), (364, 77374), (572, 49238), (616, 45721), (728, 38687), (1001, 28136), (1144, 24619), (2002, 14068), (3517, 8008), (4004, 7034)]