12720156

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{28649}}^1$

素因数の和:28693

約数の個数: 24

約数和(自身を含む): 30483600

約数和(自身を除く): 17763444

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444, 28649, 57298, 85947, 114596, 171894, 343788, 1060013, 2120026, 3180039, 4240052, 6360078, 12720156]

約数ペア:

[(1, 12720156), (2, 6360078), (3, 4240052), (4, 3180039), (6, 2120026), (12, 1060013), (37, 343788), (74, 171894), (111, 114596), (148, 85947), (222, 57298), (444, 28649)]