201997880329

素因数分解:

$7^4\times {\mathrm{41}}^1\times {\mathrm{2051969}}^1$

素因数の和:2052038

約数の個数: 20

約数和(自身を含む): 241397854740

約数和(自身を除く): 39399974411

約数列:

[1, 7, 41, 49, 287, 343, 2009, 2401, 14063, 98441, 2051969, 14363783, 84130729, 100546481, 588915103, 703825367, 4122405721, 4926777569, 28856840047, 201997880329]

約数ペア:

[(1, 201997880329), (7, 28856840047), (41, 4926777569), (49, 4122405721), (287, 703825367), (343, 588915103), (2009, 100546481), (2401, 84130729), (14063, 14363783), (98441, 2051969)]