28256228

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7057}}^1$

素因数の和:7092

約数の個数: 48

約数和(自身を含む): 66401664

約数和(自身を除く): 38145436

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 7057, 14114, 28228, 49399, 77627, 91741, 98798, 155254, 183482, 197596, 310508, 366964, 543389, 642187, 1009151, 1086778, 1284374, 2018302, 2173556, 2568748, 4036604, 7064057, 14128114, 28256228]

約数ペア:

[(1, 28256228), (2, 14128114), (4, 7064057), (7, 4036604), (11, 2568748), (13, 2173556), (14, 2018302), (22, 1284374), (26, 1086778), (28, 1009151), (44, 642187), (52, 543389), (77, 366964), (91, 310508), (143, 197596), (154, 183482), (182, 155254), (286, 98798), (308, 91741), (364, 77627), (572, 49399), (1001, 28228), (2002, 14114), (4004, 7057)]