28656490

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{66643}}^1$

素因数の和:66693

約数の個数: 16

約数和(自身を含む): 52782048

約数和(自身を除く): 24125558

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 66643, 133286, 333215, 666430, 2865649, 5731298, 14328245, 28656490]

約数ペア:

[(1, 28656490), (2, 14328245), (5, 5731298), (10, 2865649), (43, 666430), (86, 333215), (215, 133286), (430, 66643)]