206519621

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157769}}^1$

素因数の和:157804

約数の個数: 16

約数和(自身を含む): 272626560

約数和(自身を除く): 66106939

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 157769, 1104383, 1735459, 2682073, 12148213, 18774511, 29502803, 206519621]

約数ペア:

[(1, 206519621), (7, 29502803), (11, 18774511), (17, 12148213), (77, 2682073), (119, 1735459), (187, 1104383), (1309, 157769)]