389948909

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{194101}}^1$

素因数の和:194156

約数の個数: 12

約数和(自身を含む): 464680188

約数和(自身を除く): 74731279

約数列:

[1, 7, 41, 49, 287, 2009, 194101, 1358707, 7958141, 9510949, 55706987, 389948909]

約数ペア:

[(1, 389948909), (7, 55706987), (41, 9510949), (49, 7958141), (287, 1358707), (2009, 194101)]