1640447669

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{425317}}^1$

素因数の和:425372

約数の個数: 16

約数和(自身を含む): 2041526400

約数和(自身を除く): 401078731

約数列:

[1, 7, 19, 29, 133, 203, 551, 3857, 425317, 2977219, 8081023, 12334193, 56567161, 86339351, 234349667, 1640447669]

約数ペア:

[(1, 1640447669), (7, 234349667), (19, 86339351), (29, 56567161), (133, 12334193), (203, 8081023), (551, 2977219), (3857, 425317)]