129373456

素因数分解:

$2^4\times {\mathrm{1321}}^1\times {\mathrm{6121}}^1$

素因数の和:7450

約数の個数: 20

約数和(自身を含む): 250891804

約数和(自身を除く): 121518348

約数列:

[1, 2, 4, 8, 16, 1321, 2642, 5284, 6121, 10568, 12242, 21136, 24484, 48968, 97936, 8085841, 16171682, 32343364, 64686728, 129373456]

約数ペア:

[(1, 129373456), (2, 64686728), (4, 32343364), (8, 16171682), (16, 8085841), (1321, 97936), (2642, 48968), (5284, 24484), (6121, 21136), (10568, 12242)]