281034871

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 352092160

約数和(自身を除く): 71057289

約数列:

[1, 13, 17, 19, 31, 127, 221, 247, 289, 323, 403, 527, 589, 1651, 2159, 2413, 3757, 3937, 4199, 5491, 6851, 7657, 8959, 10013, 28067, 31369, 36703, 41021, 51181, 66929, 71383, 74803, 116467, 130169, 170221, 477139, 533273, 697357, 870077, 972439, 1137793, 1271651, 2212873, 9065641, 14791309, 16531463, 21618067, 281034871]

約数ペア:

[(1, 281034871), (13, 21618067), (17, 16531463), (19, 14791309), (31, 9065641), (127, 2212873), (221, 1271651), (247, 1137793), (289, 972439), (323, 870077), (403, 697357), (527, 533273), (589, 477139), (1651, 170221), (2159, 130169), (2413, 116467), (3757, 74803), (3937, 71383), (4199, 66929), (5491, 51181), (6851, 41021), (7657, 36703), (8959, 31369), (10013, 28067)]