127740272

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{16879}}^1$

素因数の和:16941

約数の個数: 40

約数和(自身を含む): 276291840

約数和(自身を除く): 148551568

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 3784, 7568, 16879, 33758, 67516, 135032, 185669, 270064, 371338, 725797, 742676, 1451594, 1485352, 2903188, 2970704, 5806376, 7983767, 11612752, 15967534, 31935068, 63870136, 127740272]

約数ペア:

[(1, 127740272), (2, 63870136), (4, 31935068), (8, 15967534), (11, 11612752), (16, 7983767), (22, 5806376), (43, 2970704), (44, 2903188), (86, 1485352), (88, 1451594), (172, 742676), (176, 725797), (344, 371338), (473, 270064), (688, 185669), (946, 135032), (1892, 67516), (3784, 33758), (7568, 16879)]