128297552

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{186479}}^1$

素因数の和:186530

約数の個数: 20

約数和(自身を含む): 254358720

約数和(自身を除く): 126061168

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 186479, 372958, 745916, 1491832, 2983664, 8018597, 16037194, 32074388, 64148776, 128297552]

約数ペア:

[(1, 128297552), (2, 64148776), (4, 32074388), (8, 16037194), (16, 8018597), (43, 2983664), (86, 1491832), (172, 745916), (344, 372958), (688, 186479)]