28886305

素因数分解:

$5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{3701}}^1$

素因数の和:3936

約数の個数: 16

約数和(自身を含む): 39803904

約数和(自身を除く): 10917599

約数列:

[1, 5, 7, 35, 223, 1115, 1561, 3701, 7805, 18505, 25907, 129535, 825323, 4126615, 5777261, 28886305]

約数ペア:

[(1, 28886305), (5, 5777261), (7, 4126615), (35, 825323), (223, 129535), (1115, 25907), (1561, 18505), (3701, 7805)]