200043568

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{290761}}^1$

素因数の和:290812

約数の個数: 20

約数和(自身を含む): 396599368

約数和(自身を除く): 196555800

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 290761, 581522, 1163044, 2326088, 4652176, 12502723, 25005446, 50010892, 100021784, 200043568]

約数ペア:

[(1, 200043568), (2, 100021784), (4, 50010892), (8, 25005446), (16, 12502723), (43, 4652176), (86, 2326088), (172, 1163044), (344, 581522), (688, 290761)]