9781984

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{7109}}^1$

素因数の和:7162

約数の個数: 24

約数和(自身を含む): 19708920

約数和(自身を除く): 9926936

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 7109, 14218, 28436, 56872, 113744, 227488, 305687, 611374, 1222748, 2445496, 4890992, 9781984]

約数ペア:

[(1, 9781984), (2, 4890992), (4, 2445496), (8, 1222748), (16, 611374), (32, 305687), (43, 227488), (86, 113744), (172, 56872), (344, 28436), (688, 14218), (1376, 7109)]