2863889

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 3511680

約数和(自身を除く): 647791

約数列:

[1, 7, 19, 61, 133, 353, 427, 1159, 2471, 6707, 8113, 21533, 46949, 150731, 409127, 2863889]

約数ペア:

[(1, 2863889), (7, 409127), (19, 150731), (61, 46949), (133, 21533), (353, 8113), (427, 6707), (1159, 2471)]