81722254

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1\times {\mathrm{823}}^1$

素因数の和:1335

約数の個数: 16

約数和(自身を含む): 123995520

約数和(自身を除く): 42273266

約数列:

[1, 2, 131, 262, 379, 758, 823, 1646, 49649, 99298, 107813, 215626, 311917, 623834, 40861127, 81722254]

約数ペア:

[(1, 81722254), (2, 40861127), (131, 623834), (262, 311917), (379, 215626), (758, 107813), (823, 99298), (1646, 49649)]