128959686

素因数分解:

$2^1\times 3^2\times {\mathrm{271}}^1\times {\mathrm{26437}}^1$

素因数の和:26716

約数の個数: 24

約数和(自身を含む): 280454304

約数和(自身を除く): 151494618

約数列:

[1, 2, 3, 6, 9, 18, 271, 542, 813, 1626, 2439, 4878, 26437, 52874, 79311, 158622, 237933, 475866, 7164427, 14328854, 21493281, 42986562, 64479843, 128959686]

約数ペア:

[(1, 128959686), (2, 64479843), (3, 42986562), (6, 21493281), (9, 14328854), (18, 7164427), (271, 475866), (542, 237933), (813, 158622), (1626, 79311), (2439, 52874), (4878, 26437)]