257162686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1303}}^1\times {\mathrm{8971}}^1$

素因数の和:10287

約数の個数: 16

約数和(自身を含む): 421181568

約数和(自身を除く): 164018882

約数列:

[1, 2, 11, 22, 1303, 2606, 8971, 14333, 17942, 28666, 98681, 197362, 11689213, 23378426, 128581343, 257162686]

約数ペア:

[(1, 257162686), (2, 128581343), (11, 23378426), (22, 11689213), (1303, 197362), (2606, 98681), (8971, 28666), (14333, 17942)]