161980738

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1\times {\mathrm{4363}}^1$

素因数の和:5361

約数の個数: 16

約数和(自身を含む): 256079520

約数和(自身を除く): 94098782

約数列:

[1, 2, 19, 38, 977, 1954, 4363, 8726, 18563, 37126, 82897, 165794, 4262651, 8525302, 80990369, 161980738]

約数ペア:

[(1, 161980738), (2, 80990369), (19, 8525302), (38, 4262651), (977, 165794), (1954, 82897), (4363, 37126), (8726, 18563)]