28005290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{641}}^1$

素因数の和:922

約数の個数: 32

約数和(自身を含む): 53666064

約数和(自身を除く): 25660774

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 257, 514, 641, 1282, 1285, 2570, 3205, 4369, 6410, 8738, 10897, 21794, 21845, 43690, 54485, 108970, 164737, 329474, 823685, 1647370, 2800529, 5601058, 14002645, 28005290]

約数ペア:

[(1, 28005290), (2, 14002645), (5, 5601058), (10, 2800529), (17, 1647370), (34, 823685), (85, 329474), (170, 164737), (257, 108970), (514, 54485), (641, 43690), (1282, 21845), (1285, 21794), (2570, 10897), (3205, 8738), (4369, 6410)]