51267385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21317}}^1$

素因数の和:21372

約数の個数: 16

約数和(自身を含む): 68047056

約数和(自身を除く): 16779671

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 21317, 106585, 277121, 788729, 1385605, 3943645, 10253477, 51267385]

約数ペア:

[(1, 51267385), (5, 10253477), (13, 3943645), (37, 1385605), (65, 788729), (185, 277121), (481, 106585), (2405, 21317)]