388331321

素因数分解:

$7^2\times {\mathrm{103}}^1\times {\mathrm{76943}}^1$

素因数の和:77060

約数の個数: 12

約数和(自身を含む): 456124032

約数和(自身を除く): 67792711

約数列:

[1, 7, 49, 103, 721, 5047, 76943, 538601, 3770207, 7925129, 55475903, 388331321]

約数ペア:

[(1, 388331321), (7, 55475903), (49, 7925129), (103, 3770207), (721, 538601), (5047, 76943)]