1661566795

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{6779}}^1$

素因数の和:6987

約数の個数: 32

約数和(自身を含む): 2343168000

約数和(自身を除く): 681601205

約数列:

[1, 5, 7, 35, 47, 149, 235, 329, 745, 1043, 1645, 5215, 6779, 7003, 33895, 35015, 47453, 49021, 237265, 245105, 318613, 1010071, 1593065, 2230291, 5050355, 7070497, 11151455, 35352485, 47473337, 237366685, 332313359, 1661566795]

約数ペア:

[(1, 1661566795), (5, 332313359), (7, 237366685), (35, 47473337), (47, 35352485), (149, 11151455), (235, 7070497), (329, 5050355), (745, 2230291), (1043, 1593065), (1645, 1010071), (5215, 318613), (6779, 245105), (7003, 237265), (33895, 49021), (35015, 47453)]