1222256

素因数分解:

$2^4\times 7^2\times {\mathrm{1559}}^1$

素因数の和:1581

約数の個数: 30

約数和(自身を含む): 2756520

約数和(自身を除く): 1534264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 1559, 3118, 6236, 10913, 12472, 21826, 24944, 43652, 76391, 87304, 152782, 174608, 305564, 611128, 1222256]

約数ペア:

[(1, 1222256), (2, 611128), (4, 305564), (7, 174608), (8, 152782), (14, 87304), (16, 76391), (28, 43652), (49, 24944), (56, 21826), (98, 12472), (112, 10913), (196, 6236), (392, 3118), (784, 1559)]