28158464

素因数分解:

$2^9\times {\mathrm{43}}^1\times {\mathrm{1279}}^1$

素因数の和:1340

約数の個数: 40

約数和(自身を含む): 57615360

約数和(自身を除く): 29456896

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 512, 688, 1279, 1376, 2558, 2752, 5116, 5504, 10232, 11008, 20464, 22016, 40928, 54997, 81856, 109994, 163712, 219988, 327424, 439976, 654848, 879952, 1759904, 3519808, 7039616, 14079232, 28158464]

約数ペア:

[(1, 28158464), (2, 14079232), (4, 7039616), (8, 3519808), (16, 1759904), (32, 879952), (43, 654848), (64, 439976), (86, 327424), (128, 219988), (172, 163712), (256, 109994), (344, 81856), (512, 54997), (688, 40928), (1279, 22016), (1376, 20464), (2558, 11008), (2752, 10232), (5116, 5504)]