28399190

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{38903}}^1$

素因数の和:38983

約数の個数: 16

約数和(自身を含む): 51820128

約数和(自身を除く): 23420938

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 38903, 77806, 194515, 389030, 2839919, 5679838, 14199595, 28399190]

約数ペア:

[(1, 28399190), (2, 14199595), (5, 5679838), (10, 2839919), (73, 389030), (146, 194515), (365, 77806), (730, 38903)]