80780724

素因数分解:

$2^2\times 3^2\times {\mathrm{2243909}}^1$

素因数の和:2243919

約数の個数: 18

約数和(自身を含む): 204195810

約数和(自身を除く): 123415086

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2243909, 4487818, 6731727, 8975636, 13463454, 20195181, 26926908, 40390362, 80780724]

約数ペア:

[(1, 80780724), (2, 40390362), (3, 26926908), (4, 20195181), (6, 13463454), (9, 8975636), (12, 6731727), (18, 4487818), (36, 2243909)]