209224876

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{122497}}^1$

素因数の和:122569

約数の個数: 24

約数和(自身を含む): 425313056

約数和(自身を除く): 216088180

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 122497, 244994, 489988, 857479, 1714958, 3429916, 7472317, 14944634, 29889268, 52306219, 104612438, 209224876]

約数ペア:

[(1, 209224876), (2, 104612438), (4, 52306219), (7, 29889268), (14, 14944634), (28, 7472317), (61, 3429916), (122, 1714958), (244, 857479), (427, 489988), (854, 244994), (1708, 122497)]