12888555

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1103}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 22256640

約数和(自身を除く): 9368085

約数列:

[1, 3, 5, 15, 19, 41, 57, 95, 123, 205, 285, 615, 779, 1103, 2337, 3309, 3895, 5515, 11685, 16545, 20957, 45223, 62871, 104785, 135669, 226115, 314355, 678345, 859237, 2577711, 4296185, 12888555]

約数ペア:

[(1, 12888555), (3, 4296185), (5, 2577711), (15, 859237), (19, 678345), (41, 314355), (57, 226115), (95, 135669), (123, 104785), (205, 62871), (285, 45223), (615, 20957), (779, 16545), (1103, 11685), (2337, 5515), (3309, 3895)]