205674755

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16921}}^1$

素因数の和:16967

約数の個数: 32

約数和(自身を含む): 307032768

約数和(自身を除く): 101358013

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 2431, 12155, 16921, 84605, 186131, 219973, 287657, 930655, 1099865, 1438285, 2419703, 3164227, 3739541, 12098515, 15821135, 18697705, 41134951, 205674755]

約数ペア:

[(1, 205674755), (5, 41134951), (11, 18697705), (13, 15821135), (17, 12098515), (55, 3739541), (65, 3164227), (85, 2419703), (143, 1438285), (187, 1099865), (221, 930655), (715, 287657), (935, 219973), (1105, 186131), (2431, 84605), (12155, 16921)]