257037421606

素因数分解:

$2^1\times 7^1\times {\mathrm{1949}}^1\times {\mathrm{9420121}}^1$

素因数の和:9422079

約数の個数: 16

約数和(自身を含む): 440861709600

約数和(自身を除く): 183824287994

約数列:

[1, 2, 7, 14, 1949, 3898, 13643, 27286, 9420121, 18840242, 65940847, 131881694, 18359815829, 36719631658, 128518710803, 257037421606]

約数ペア:

[(1, 257037421606), (2, 128518710803), (7, 36719631658), (14, 18359815829), (1949, 131881694), (3898, 65940847), (13643, 18840242), (27286, 9420121)]