639294886

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1\times {\mathrm{10531}}^1$

素因数の和:10899

約数の個数: 16

約数和(自身を含む): 970629120

約数和(自身を除く): 331334234

約数列:

[1, 2, 127, 239, 254, 478, 10531, 21062, 30353, 60706, 1337437, 2516909, 2674874, 5033818, 319647443, 639294886]

約数ペア:

[(1, 639294886), (2, 319647443), (127, 5033818), (239, 2674874), (254, 2516909), (478, 1337437), (10531, 60706), (21062, 30353)]