81802072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{3617}}^1$

素因数の和:3891

約数の個数: 32

約数和(自身を含む): 168019920

約数和(自身を除く): 86217848

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 257, 514, 1028, 2056, 2827, 3617, 5654, 7234, 11308, 14468, 22616, 28936, 39787, 79574, 159148, 318296, 929569, 1859138, 3718276, 7436552, 10225259, 20450518, 40901036, 81802072]

約数ペア:

[(1, 81802072), (2, 40901036), (4, 20450518), (8, 10225259), (11, 7436552), (22, 3718276), (44, 1859138), (88, 929569), (257, 318296), (514, 159148), (1028, 79574), (2056, 39787), (2827, 28936), (3617, 22616), (5654, 14468), (7234, 11308)]