196394416

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{285457}}^1$

素因数の和:285508

約数の個数: 20

約数和(自身を含む): 389364712

約数和(自身を除く): 192970296

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 285457, 570914, 1141828, 2283656, 4567312, 12274651, 24549302, 49098604, 98197208, 196394416]

約数ペア:

[(1, 196394416), (2, 98197208), (4, 49098604), (8, 24549302), (16, 12274651), (43, 4567312), (86, 2283656), (172, 1141828), (344, 570914), (688, 285457)]