639131903632

素因数分解:

$2^4\times {\mathrm{1301}}^1\times {\mathrm{30703877}}^1$

素因数の和:30705186

約数の個数: 20

約数和(自身を含む): 1239269923836

約数和(自身を除く): 600138020204

約数列:

[1, 2, 4, 8, 16, 1301, 2602, 5204, 10408, 20816, 30703877, 61407754, 122815508, 245631016, 491262032, 39945743977, 79891487954, 159782975908, 319565951816, 639131903632]

約数ペア:

[(1, 639131903632), (2, 319565951816), (4, 159782975908), (8, 79891487954), (16, 39945743977), (1301, 491262032), (2602, 245631016), (5204, 122815508), (10408, 61407754), (20816, 30703877)]