420170009

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{2657}}^1$

素因数の和:2753

約数の個数: 32

約数和(自身を含む): 535852800

約数和(自身を除く): 115682791

約数列:

[1, 7, 19, 29, 41, 133, 203, 287, 551, 779, 1189, 2657, 3857, 5453, 8323, 18599, 22591, 50483, 77053, 108937, 158137, 353381, 539371, 762559, 1464007, 2069803, 3159173, 10248049, 14488621, 22114211, 60024287, 420170009]

約数ペア:

[(1, 420170009), (7, 60024287), (19, 22114211), (29, 14488621), (41, 10248049), (133, 3159173), (203, 2069803), (287, 1464007), (551, 762559), (779, 539371), (1189, 353381), (2657, 158137), (3857, 108937), (5453, 77053), (8323, 50483), (18599, 22591)]