208882009

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1\times {\mathrm{2713}}^1$

素因数の和:3384

約数の個数: 16

約数和(自身を含む): 253248768

約数和(自身を除く): 44366759

約数列:

[1, 7, 17, 119, 647, 2713, 4529, 10999, 18991, 46121, 76993, 322847, 1755311, 12287177, 29840287, 208882009]

約数ペア:

[(1, 208882009), (7, 29840287), (17, 12287177), (119, 1755311), (647, 322847), (2713, 76993), (4529, 46121), (10999, 18991)]