217656496

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{367663}}^1$

素因数の和:367708

約数の個数: 20

約数和(自身を含む): 433108192

約数和(自身を除く): 215451696

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 367663, 735326, 1470652, 2941304, 5882608, 13603531, 27207062, 54414124, 108828248, 217656496]

約数ペア:

[(1, 217656496), (2, 108828248), (4, 54414124), (8, 27207062), (16, 13603531), (37, 5882608), (74, 2941304), (148, 1470652), (296, 735326), (592, 367663)]