155501005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{39821}}^1$

素因数の和:39908

約数の個数: 16

約数和(自身を含む): 206437248

約数和(自身を除く): 50936243

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 39821, 199105, 438031, 2190155, 2827291, 14136455, 31100201, 155501005]

約数ペア:

[(1, 155501005), (5, 31100201), (11, 14136455), (55, 2827291), (71, 2190155), (355, 438031), (781, 199105), (3905, 39821)]