128912

素因数分解:

$2^4\times 7^1\times {\mathrm{1151}}^1$

素因数の和:1166

約数の個数: 20

約数和(自身を含む): 285696

約数和(自身を除く): 156784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1151, 2302, 4604, 8057, 9208, 16114, 18416, 32228, 64456, 128912]

約数ペア:

[(1, 128912), (2, 64456), (4, 32228), (7, 18416), (8, 16114), (14, 9208), (16, 8057), (28, 4604), (56, 2302), (112, 1151)]