81219240124

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1845891821}}^1$

素因数の和:1845891836

約数の個数: 12

約数和(自身を含む): 155054913048

約数和(自身を除く): 73835672924

約数列:

[1, 2, 4, 11, 22, 44, 1845891821, 3691783642, 7383567284, 20304810031, 40609620062, 81219240124]

約数ペア:

[(1, 81219240124), (2, 40609620062), (4, 20304810031), (11, 7383567284), (22, 3691783642), (44, 1845891821)]