28670675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{761}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 39118032

約数和(自身を除く): 10447357

約数列:

[1, 5, 11, 25, 55, 137, 275, 685, 761, 1507, 3425, 3805, 7535, 8371, 19025, 37675, 41855, 104257, 209275, 521285, 1146827, 2606425, 5734135, 28670675]

約数ペア:

[(1, 28670675), (5, 5734135), (11, 2606425), (25, 1146827), (55, 521285), (137, 209275), (275, 104257), (685, 41855), (761, 37675), (1507, 19025), (3425, 8371), (3805, 7535)]