128587784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{2017}}^1$

素因数の和:2649

約数の個数: 32

約数和(自身を含む): 260200920

約数和(自身を除く): 131613136

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 613, 1226, 2017, 2452, 4034, 4904, 7969, 8068, 15938, 16136, 26221, 31876, 52442, 63752, 104884, 209768, 1236421, 2472842, 4945684, 9891368, 16073473, 32146946, 64293892, 128587784]

約数ペア:

[(1, 128587784), (2, 64293892), (4, 32146946), (8, 16073473), (13, 9891368), (26, 4945684), (52, 2472842), (104, 1236421), (613, 209768), (1226, 104884), (2017, 63752), (2452, 52442), (4034, 31876), (4904, 26221), (7969, 16136), (8068, 15938)]