87897788

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{181607}}^1$

素因数の和:181633

約数の個数: 18

約数和(自身を含む): 169077048

約数和(自身を除く): 81179260

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 181607, 363214, 726428, 1997677, 3995354, 7990708, 21974447, 43948894, 87897788]

約数ペア:

[(1, 87897788), (2, 43948894), (4, 21974447), (11, 7990708), (22, 3995354), (44, 1997677), (121, 726428), (242, 363214), (484, 181607)]