1388896904

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{479}}^1\times {\mathrm{8429}}^1$

素因数の和:8957

約数の個数: 32

約数和(自身を含む): 2670624000

約数和(自身を除く): 1281727096

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 479, 958, 1916, 3832, 8429, 16858, 20597, 33716, 41194, 67432, 82388, 164776, 362447, 724894, 1449788, 2899576, 4037491, 8074982, 16149964, 32299928, 173612113, 347224226, 694448452, 1388896904]

約数ペア:

[(1, 1388896904), (2, 694448452), (4, 347224226), (8, 173612113), (43, 32299928), (86, 16149964), (172, 8074982), (344, 4037491), (479, 2899576), (958, 1449788), (1916, 724894), (3832, 362447), (8429, 164776), (16858, 82388), (20597, 67432), (33716, 41194)]