128400054

素因数分解:

$2^1\times 3^1\times {\mathrm{251}}^1\times {\mathrm{85259}}^1$

素因数の和:85515

約数の個数: 16

約数和(自身を含む): 257826240

約数和(自身を除く): 129426186

約数列:

[1, 2, 3, 6, 251, 502, 753, 1506, 85259, 170518, 255777, 511554, 21400009, 42800018, 64200027, 128400054]

約数ペア:

[(1, 128400054), (2, 64200027), (3, 42800018), (6, 21400009), (251, 511554), (502, 255777), (753, 170518), (1506, 85259)]