2138992

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{3109}}^1$

素因数の和:3160

約数の個数: 20

約数和(自身を含む): 4242040

約数和(自身を除く): 2103048

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 3109, 6218, 12436, 24872, 49744, 133687, 267374, 534748, 1069496, 2138992]

約数ペア:

[(1, 2138992), (2, 1069496), (4, 534748), (8, 267374), (16, 133687), (43, 49744), (86, 24872), (172, 12436), (344, 6218), (688, 3109)]