213933188

素因数分解:

$2^2\times 7^1\times {\mathrm{7640471}}^1$

素因数の和:7640482

約数の個数: 12

約数和(自身を含む): 427866432

約数和(自身を除く): 213933244

約数列:

[1, 2, 4, 7, 14, 28, 7640471, 15280942, 30561884, 53483297, 106966594, 213933188]

約数ペア:

[(1, 213933188), (2, 106966594), (4, 53483297), (7, 30561884), (14, 15280942), (28, 7640471)]