30781415

素因数分解:

$5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{2089}}^1$

素因数の和:2522

約数の個数: 16

約数和(自身を含む): 42335040

約数和(自身を除く): 11553625

約数列:

[1, 5, 7, 35, 421, 2089, 2105, 2947, 10445, 14623, 14735, 73115, 879469, 4397345, 6156283, 30781415]

約数ペア:

[(1, 30781415), (5, 6156283), (7, 4397345), (35, 879469), (421, 73115), (2089, 14735), (2105, 14623), (2947, 10445)]