620804516

素因数分解:

$2^2\times {\mathrm{311}}^1\times {\mathrm{499039}}^1$

素因数の和:499354

約数の個数: 12

約数和(自身を含む): 1089903360

約数和(自身を除く): 469098844

約数列:

[1, 2, 4, 311, 622, 1244, 499039, 998078, 1996156, 155201129, 310402258, 620804516]

約数ペア:

[(1, 620804516), (2, 310402258), (4, 155201129), (311, 1996156), (622, 998078), (1244, 499039)]