2004156008

素因数分解:

$2^3\times {\mathrm{389}}^1\times {\mathrm{644009}}^1$

素因数の和:644404

約数の個数: 16

約数和(自身を含む): 3767458500

約数和(自身を除く): 1763302492

約数列:

[1, 2, 4, 8, 389, 778, 1556, 3112, 644009, 1288018, 2576036, 5152072, 250519501, 501039002, 1002078004, 2004156008]

約数ペア:

[(1, 2004156008), (2, 1002078004), (4, 501039002), (8, 250519501), (389, 5152072), (778, 2576036), (1556, 1288018), (3112, 644009)]