209221957

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1\times {\mathrm{2777}}^1$

素因数の和:3060

約数の個数: 16

約数和(自身を含む): 245352960

約数和(自身を除く): 36131003

約数列:

[1, 7, 47, 229, 329, 1603, 2777, 10763, 19439, 75341, 130519, 635933, 913633, 4451531, 29888851, 209221957]

約数ペア:

[(1, 209221957), (7, 29888851), (47, 4451531), (229, 913633), (329, 635933), (1603, 130519), (2777, 75341), (10763, 19439)]