28200790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{165887}}^1$

素因数の和:165911

約数の個数: 16

約数和(自身を含む): 53747712

約数和(自身を除く): 25546922

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 165887, 331774, 829435, 1658870, 2820079, 5640158, 14100395, 28200790]

約数ペア:

[(1, 28200790), (2, 14100395), (5, 5640158), (10, 2820079), (17, 1658870), (34, 829435), (85, 331774), (170, 165887)]