28100988

素因数分解:

$2^2\times 3^2\times {\mathrm{780583}}^1$

素因数の和:780593

約数の個数: 18

約数和(自身を含む): 71033144

約数和(自身を除く): 42932156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 780583, 1561166, 2341749, 3122332, 4683498, 7025247, 9366996, 14050494, 28100988]

約数ペア:

[(1, 28100988), (2, 14050494), (3, 9366996), (4, 7025247), (6, 4683498), (9, 3122332), (12, 2341749), (18, 1561166), (36, 780583)]