8640282

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{205721}}^1$

素因数の和:205733

約数の個数: 16

約数和(自身を含む): 19749312

約数和(自身を除く): 11109030

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 205721, 411442, 617163, 1234326, 1440047, 2880094, 4320141, 8640282]

約数ペア:

[(1, 8640282), (2, 4320141), (3, 2880094), (6, 1440047), (7, 1234326), (14, 617163), (21, 411442), (42, 205721)]