2019976945

素因数分解:

$5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{137087}}^1$

素因数の和:137520

約数の個数: 16

約数和(自身を含む): 2776854528

約数和(自身を除く): 756877583

約数列:

[1, 5, 7, 35, 421, 2105, 2947, 14735, 137087, 685435, 959609, 4798045, 57713627, 288568135, 403995389, 2019976945]

約数ペア:

[(1, 2019976945), (5, 403995389), (7, 288568135), (35, 57713627), (421, 4798045), (2105, 959609), (2947, 685435), (14735, 137087)]