28208684

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{2393}}^1$

素因数の和:2825

約数の個数: 24

約数和(自身を含む): 56575008

約数和(自身を除く): 28366324

約数列:

[1, 2, 4, 7, 14, 28, 421, 842, 1684, 2393, 2947, 4786, 5894, 9572, 11788, 16751, 33502, 67004, 1007453, 2014906, 4029812, 7052171, 14104342, 28208684]

約数ペア:

[(1, 28208684), (2, 14104342), (4, 7052171), (7, 4029812), (14, 2014906), (28, 1007453), (421, 67004), (842, 33502), (1684, 16751), (2393, 11788), (2947, 9572), (4786, 5894)]