439881604

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{80329}}^1$

素因数の和:80407

約数の個数: 18

約数和(自身を含む): 791170170

約数和(自身を除く): 351288566

約数列:

[1, 2, 4, 37, 74, 148, 1369, 2738, 5476, 80329, 160658, 321316, 2972173, 5944346, 11888692, 109970401, 219940802, 439881604]

約数ペア:

[(1, 439881604), (2, 219940802), (4, 109970401), (37, 11888692), (74, 5944346), (148, 2972173), (1369, 321316), (2738, 160658), (5476, 80329)]