16440781

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:484

約数の個数: 16

約数和(自身を含む): 19304320

約数和(自身を除く): 2863539

約数列:

[1, 7, 61, 139, 277, 427, 973, 1939, 8479, 16897, 38503, 59353, 118279, 269521, 2348683, 16440781]

約数ペア:

[(1, 16440781), (7, 2348683), (61, 269521), (139, 118279), (277, 59353), (427, 38503), (973, 16897), (1939, 8479)]