42782005

素因数分解:

$5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1901}}^1$

素因数の和:2556

約数の個数: 16

約数和(自身を含む): 58794624

約数和(自身を除く): 16012619

約数列:

[1, 5, 7, 35, 643, 1901, 3215, 4501, 9505, 13307, 22505, 66535, 1222343, 6111715, 8556401, 42782005]

約数ペア:

[(1, 42782005), (5, 8556401), (7, 6111715), (35, 1222343), (643, 66535), (1901, 22505), (3215, 13307), (4501, 9505)]