28828190

素因数分解:

$2^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{2909}}^1$

素因数の和:3907

約数の個数: 16

約数和(自身を含む): 51960960

約数和(自身を除く): 23132770

約数列:

[1, 2, 5, 10, 991, 1982, 2909, 4955, 5818, 9910, 14545, 29090, 2882819, 5765638, 14414095, 28828190]

約数ペア:

[(1, 28828190), (2, 14414095), (5, 5765638), (10, 2882819), (991, 29090), (1982, 14545), (2909, 9910), (4955, 5818)]