128270128

素因数分解:

$2^4\times 7^1\times {\mathrm{1145269}}^1$

素因数の和:1145284

約数の個数: 20

約数和(自身を含む): 284026960

約数和(自身を除く): 155756832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1145269, 2290538, 4581076, 8016883, 9162152, 16033766, 18324304, 32067532, 64135064, 128270128]

約数ペア:

[(1, 128270128), (2, 64135064), (4, 32067532), (7, 18324304), (8, 16033766), (14, 9162152), (16, 8016883), (28, 4581076), (56, 2290538), (112, 1145269)]