128561656

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{115613}}^1$

素因数の和:115758

約数の個数: 16

約数和(自身を含む): 242789400

約数和(自身を除く): 114227744

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 115613, 231226, 462452, 924904, 16070207, 32140414, 64280828, 128561656]

約数ペア:

[(1, 128561656), (2, 64280828), (4, 32140414), (8, 16070207), (139, 924904), (278, 462452), (556, 231226), (1112, 115613)]