28686542

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{5431}}^1$

素因数の和:5591

約数の個数: 16

約数和(自身を含む): 45628800

約数和(自身を除く): 16942258

約数列:

[1, 2, 19, 38, 139, 278, 2641, 5282, 5431, 10862, 103189, 206378, 754909, 1509818, 14343271, 28686542]

約数ペア:

[(1, 28686542), (2, 14343271), (19, 1509818), (38, 754909), (139, 206378), (278, 103189), (2641, 10862), (5282, 5431)]