2156155204

素因数分解:

$2^2\times 7^1\times {\mathrm{77005543}}^1$

素因数の和:77005554

約数の個数: 12

約数和(自身を含む): 4312310464

約数和(自身を除く): 2156155260

約数列:

[1, 2, 4, 7, 14, 28, 77005543, 154011086, 308022172, 539038801, 1078077602, 2156155204]

約数ペア:

[(1, 2156155204), (2, 1078077602), (4, 539038801), (7, 308022172), (14, 154011086), (28, 77005543)]