81438085

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{27653}}^1$

素因数の和:27708

約数の個数: 16

約数和(自身を含む): 106191360

約数和(自身を除く): 24753275

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 27653, 138265, 525407, 857243, 2627035, 4286215, 16287617, 81438085]

約数ペア:

[(1, 81438085), (5, 16287617), (19, 4286215), (31, 2627035), (95, 857243), (155, 525407), (589, 138265), (2945, 27653)]