209291258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{18913}}^1$

素因数の和:19429

約数の個数: 16

約数和(自身を含む): 343175616

約数和(自身を除く): 133884358

約数列:

[1, 2, 11, 22, 503, 1006, 5533, 11066, 18913, 37826, 208043, 416086, 9513239, 19026478, 104645629, 209291258]

約数ペア:

[(1, 209291258), (2, 104645629), (11, 19026478), (22, 9513239), (503, 416086), (1006, 208043), (5533, 37826), (11066, 18913)]