157400378

素因数分解:

$2^1\times {\mathrm{193}}^1\times {\mathrm{409}}^1\times {\mathrm{997}}^1$

素因数の和:1601

約数の個数: 16

約数和(自身を含む): 238142760

約数和(自身を除く): 80742382

約数列:

[1, 2, 193, 386, 409, 818, 997, 1994, 78937, 157874, 192421, 384842, 407773, 815546, 78700189, 157400378]

約数ペア:

[(1, 157400378), (2, 78700189), (193, 815546), (386, 407773), (409, 384842), (818, 192421), (997, 157874), (1994, 78937)]