128886128

素因数分解:

$2^4\times 7^1\times {\mathrm{1150769}}^1$

素因数の和:1150784

約数の個数: 20

約数和(自身を含む): 285390960

約数和(自身を除く): 156504832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1150769, 2301538, 4603076, 8055383, 9206152, 16110766, 18412304, 32221532, 64443064, 128886128]

約数ペア:

[(1, 128886128), (2, 64443064), (4, 32221532), (7, 18412304), (8, 16110766), (14, 9206152), (16, 8055383), (28, 4603076), (56, 2301538), (112, 1150769)]