639841486

素因数分解:

$2^1\times {\mathrm{313}}^1\times {\mathrm{751}}^1\times {\mathrm{1361}}^1$

素因数の和:2427

約数の個数: 16

約数和(自身を含む): 964819008

約数和(自身を除く): 324977522

約数列:

[1, 2, 313, 626, 751, 1361, 1502, 2722, 235063, 425993, 470126, 851986, 1022111, 2044222, 319920743, 639841486]

約数ペア:

[(1, 639841486), (2, 319920743), (313, 2044222), (626, 1022111), (751, 851986), (1361, 470126), (1502, 425993), (2722, 235063)]