209210984

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{269}}^1\times {\mathrm{1451}}^1$

素因数の和:1793

約数の個数: 32

約数和(自身を含む): 399880800

約数和(自身を除く): 190669816

約数列:

[1, 2, 4, 8, 67, 134, 268, 269, 536, 538, 1076, 1451, 2152, 2902, 5804, 11608, 18023, 36046, 72092, 97217, 144184, 194434, 388868, 390319, 777736, 780638, 1561276, 3122552, 26151373, 52302746, 104605492, 209210984]

約数ペア:

[(1, 209210984), (2, 104605492), (4, 52302746), (8, 26151373), (67, 3122552), (134, 1561276), (268, 780638), (269, 777736), (536, 390319), (538, 388868), (1076, 194434), (1451, 144184), (2152, 97217), (2902, 72092), (5804, 36046), (11608, 18023)]