209608144

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{304663}}^1$

素因数の和:304714

約数の個数: 20

約数和(自身を含む): 415561696

約数和(自身を除く): 205953552

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 304663, 609326, 1218652, 2437304, 4874608, 13100509, 26201018, 52402036, 104804072, 209608144]

約数ペア:

[(1, 209608144), (2, 104804072), (4, 52402036), (8, 26201018), (16, 13100509), (43, 4874608), (86, 2437304), (172, 1218652), (344, 609326), (688, 304663)]