51239918

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{4349}}^1$

素因数の和:4531

約数の個数: 16

約数和(自身を含む): 79239600

約数和(自身を除く): 27999682

約数列:

[1, 2, 43, 86, 137, 274, 4349, 5891, 8698, 11782, 187007, 374014, 595813, 1191626, 25619959, 51239918]

約数ペア:

[(1, 51239918), (2, 25619959), (43, 1191626), (86, 595813), (137, 374014), (274, 187007), (4349, 11782), (5891, 8698)]