127720904

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{439}}^1\times {\mathrm{887}}^1$

素因数の和:1373

約数の個数: 32

約数和(自身を含む): 246153600

約数和(自身を除く): 118432696

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 439, 878, 887, 1756, 1774, 3512, 3548, 7096, 17999, 35998, 36367, 71996, 72734, 143992, 145468, 290936, 389393, 778786, 1557572, 3115144, 15965113, 31930226, 63860452, 127720904]

約数ペア:

[(1, 127720904), (2, 63860452), (4, 31930226), (8, 15965113), (41, 3115144), (82, 1557572), (164, 778786), (328, 389393), (439, 290936), (878, 145468), (887, 143992), (1756, 72734), (1774, 71996), (3512, 36367), (3548, 35998), (7096, 17999)]