209213675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{3823}}^1$

素因数の和:4043

約数の個数: 24

約数和(自身を含む): 284505600

約数和(自身を除く): 75291925

約数列:

[1, 5, 11, 25, 55, 199, 275, 995, 2189, 3823, 4975, 10945, 19115, 42053, 54725, 95575, 210265, 760777, 1051325, 3803885, 8368547, 19019425, 41842735, 209213675]

約数ペア:

[(1, 209213675), (5, 41842735), (11, 19019425), (25, 8368547), (55, 3803885), (199, 1051325), (275, 760777), (995, 210265), (2189, 95575), (3823, 54725), (4975, 42053), (10945, 19115)]