28089108

素因数分解:

$2^2\times 3^2\times {\mathrm{780253}}^1$

素因数の和:780263

約数の個数: 18

約数和(自身を含む): 71003114

約数和(自身を除く): 42914006

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 780253, 1560506, 2340759, 3121012, 4681518, 7022277, 9363036, 14044554, 28089108]

約数ペア:

[(1, 28089108), (2, 14044554), (3, 9363036), (4, 7022277), (6, 4681518), (9, 3121012), (12, 2340759), (18, 1560506), (36, 780253)]