28178722

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^3\times {\mathrm{53}}^1$

素因数の和:116

約数の個数: 48

約数和(自身を含む): 51279480

約数和(自身を除く): 23100758

約数列:

[1, 2, 11, 13, 22, 26, 53, 106, 121, 143, 169, 242, 286, 338, 583, 689, 1166, 1378, 1573, 1859, 2197, 3146, 3718, 4394, 6413, 7579, 8957, 12826, 15158, 17914, 20449, 24167, 40898, 48334, 83369, 98527, 116441, 166738, 197054, 232882, 265837, 531674, 1083797, 1280851, 2167594, 2561702, 14089361, 28178722]

約数ペア:

[(1, 28178722), (2, 14089361), (11, 2561702), (13, 2167594), (22, 1280851), (26, 1083797), (53, 531674), (106, 265837), (121, 232882), (143, 197054), (169, 166738), (242, 116441), (286, 98527), (338, 83369), (583, 48334), (689, 40898), (1166, 24167), (1378, 20449), (1573, 17914), (1859, 15158), (2197, 12826), (3146, 8957), (3718, 7579), (4394, 6413)]