161787109

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{24971}}^1$

素因数の和:25032

約数の個数: 16

約数和(自身を含む): 191784960

約数和(自身を除く): 29997851

約数列:

[1, 11, 19, 31, 209, 341, 589, 6479, 24971, 274681, 474449, 774101, 5218939, 8515111, 14707919, 161787109]

約数ペア:

[(1, 161787109), (11, 14707919), (19, 8515111), (31, 5218939), (209, 774101), (341, 474449), (589, 274681), (6479, 24971)]