28564795

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3761}}^1$

素因数の和:3811

約数の個数: 24

約数和(自身を含む): 41171328

約数和(自身を除く): 12606533

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 1085, 1519, 3761, 7595, 18805, 26327, 116591, 131635, 184289, 582955, 816137, 921445, 4080685, 5712959, 28564795]

約数ペア:

[(1, 28564795), (5, 5712959), (7, 4080685), (31, 921445), (35, 816137), (49, 582955), (155, 184289), (217, 131635), (245, 116591), (1085, 26327), (1519, 18805), (3761, 7595)]