218732008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{18143}}^1$

素因数の和:18297

約数の個数: 32

約数和(自身を含む): 450696960

約数和(自身を除く): 231964952

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 137, 274, 548, 1096, 1507, 3014, 6028, 12056, 18143, 36286, 72572, 145144, 199573, 399146, 798292, 1596584, 2485591, 4971182, 9942364, 19884728, 27341501, 54683002, 109366004, 218732008]

約数ペア:

[(1, 218732008), (2, 109366004), (4, 54683002), (8, 27341501), (11, 19884728), (22, 9942364), (44, 4971182), (88, 2485591), (137, 1596584), (274, 798292), (548, 399146), (1096, 199573), (1507, 145144), (3014, 72572), (6028, 36286), (12056, 18143)]