389628547

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{16811}}^1$

素因数の和:16879

約数の個数: 24

約数和(自身を含む): 505973952

約数和(自身を除く): 116345405

約数列:

[1, 7, 11, 43, 49, 77, 301, 473, 539, 2107, 3311, 16811, 23177, 117677, 184921, 722873, 823739, 1294447, 5060111, 7951603, 9061129, 35420777, 55661221, 389628547]

約数ペア:

[(1, 389628547), (7, 55661221), (11, 35420777), (43, 9061129), (49, 7951603), (77, 5060111), (301, 1294447), (473, 823739), (539, 722873), (2107, 184921), (3311, 117677), (16811, 23177)]