127780598

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{409}}^1\times {\mathrm{1291}}^1$

素因数の和:1724

約数の個数: 24

約数和(自身を含む): 211358280

約数和(自身を除く): 83577682

約数列:

[1, 2, 11, 22, 121, 242, 409, 818, 1291, 2582, 4499, 8998, 14201, 28402, 49489, 98978, 156211, 312422, 528019, 1056038, 5808209, 11616418, 63890299, 127780598]

約数ペア:

[(1, 127780598), (2, 63890299), (11, 11616418), (22, 5808209), (121, 1056038), (242, 528019), (409, 312422), (818, 156211), (1291, 98978), (2582, 49489), (4499, 28402), (8998, 14201)]