28490209

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:181

約数の個数: 32

約数和(自身を含む): 34467840

約数和(自身を除く): 5977631

約数列:

[1, 11, 29, 31, 43, 67, 319, 341, 473, 737, 899, 1247, 1333, 1943, 2077, 2881, 9889, 13717, 14663, 21373, 22847, 31691, 38657, 60233, 83549, 89311, 425227, 662563, 919039, 982421, 2590019, 28490209]

約数ペア:

[(1, 28490209), (11, 2590019), (29, 982421), (31, 919039), (43, 662563), (67, 425227), (319, 89311), (341, 83549), (473, 60233), (737, 38657), (899, 31691), (1247, 22847), (1333, 21373), (1943, 14663), (2077, 13717), (2881, 9889)]