12490888

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{21991}}^1$

素因数の和:22068

約数の個数: 16

約数和(自身を含む): 23751360

約数和(自身を除く): 11260472

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 21991, 43982, 87964, 175928, 1561361, 3122722, 6245444, 12490888]

約数ペア:

[(1, 12490888), (2, 6245444), (4, 3122722), (8, 1561361), (71, 175928), (142, 87964), (284, 43982), (568, 21991)]