200820389

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:833

約数の個数: 32

約数和(自身を含む): 261273600

約数和(自身を除く): 60453211

約数列:

[1, 7, 11, 29, 77, 139, 203, 319, 647, 973, 1529, 2233, 4031, 4529, 7117, 10703, 18763, 28217, 44341, 49819, 89933, 131341, 206393, 310387, 629531, 989263, 1444751, 2608057, 6924841, 18256399, 28688627, 200820389]

約数ペア:

[(1, 200820389), (7, 28688627), (11, 18256399), (29, 6924841), (77, 2608057), (139, 1444751), (203, 989263), (319, 629531), (647, 310387), (973, 206393), (1529, 131341), (2233, 89933), (4031, 49819), (4529, 44341), (7117, 28217), (10703, 18763)]