28856885

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2803}}^1$

素因数の和:2908

約数の個数: 16

約数和(自身を含む): 36339840

約数和(自身を除く): 7482955

約数列:

[1, 5, 29, 71, 145, 355, 2059, 2803, 10295, 14015, 81287, 199013, 406435, 995065, 5771377, 28856885]

約数ペア:

[(1, 28856885), (5, 5771377), (29, 995065), (71, 406435), (145, 199013), (355, 81287), (2059, 14015), (2803, 10295)]