199472012

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{1159721}}^1$

素因数の和:1159768

約数の個数: 12

約数和(自身を含む): 357194376

約数和(自身を除く): 157722364

約数列:

[1, 2, 4, 43, 86, 172, 1159721, 2319442, 4638884, 49868003, 99736006, 199472012]

約数ペア:

[(1, 199472012), (2, 99736006), (4, 49868003), (43, 4638884), (86, 2319442), (172, 1159721)]