28118992

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{811}}^1$

素因数の和:1027

約数の個数: 40

約数和(自身を含む): 59808672

約数和(自身を除く): 31689680

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 197, 394, 788, 811, 1576, 1622, 2167, 3152, 3244, 4334, 6488, 8668, 8921, 12976, 17336, 17842, 34672, 35684, 71368, 142736, 159767, 319534, 639068, 1278136, 1757437, 2556272, 3514874, 7029748, 14059496, 28118992]

約数ペア:

[(1, 28118992), (2, 14059496), (4, 7029748), (8, 3514874), (11, 2556272), (16, 1757437), (22, 1278136), (44, 639068), (88, 319534), (176, 159767), (197, 142736), (394, 71368), (788, 35684), (811, 34672), (1576, 17842), (1622, 17336), (2167, 12976), (3152, 8921), (3244, 8668), (4334, 6488)]