128691262

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{125921}}^1$

素因数の和:126003

約数の個数: 16

約数和(自身を含む): 223637472

約数和(自身を除く): 94946210

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 125921, 251842, 881447, 1762894, 9192233, 18384466, 64345631, 128691262]

約数ペア:

[(1, 128691262), (2, 64345631), (7, 18384466), (14, 9192233), (73, 1762894), (146, 881447), (511, 251842), (1022, 125921)]