208688315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{829}}^1$

素因数の和:1067

約数の個数: 32

約数和(自身を含む): 286848000

約数和(自身を除く): 78159685

約数列:

[1, 5, 11, 23, 55, 115, 199, 253, 829, 995, 1265, 2189, 4145, 4577, 9119, 10945, 19067, 22885, 45595, 50347, 95335, 164971, 209737, 251735, 824855, 1048685, 1814681, 3794333, 9073405, 18971665, 41737663, 208688315]

約数ペア:

[(1, 208688315), (5, 41737663), (11, 18971665), (23, 9073405), (55, 3794333), (115, 1814681), (199, 1048685), (253, 824855), (829, 251735), (995, 209737), (1265, 164971), (2189, 95335), (4145, 50347), (4577, 45595), (9119, 22885), (10945, 19067)]