217291264

素因数分解:

$2^9\times {\mathrm{424397}}^1$

素因数の和:424415

約数の個数: 20

約数和(自身を含む): 434159154

約数和(自身を除く): 216867890

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 424397, 848794, 1697588, 3395176, 6790352, 13580704, 27161408, 54322816, 108645632, 217291264]

約数ペア:

[(1, 217291264), (2, 108645632), (4, 54322816), (8, 27161408), (16, 13580704), (32, 6790352), (64, 3395176), (128, 1697588), (256, 848794), (512, 424397)]