81711608

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{3613}}^1$

素因数の和:3887

約数の個数: 32

約数和(自身を含む): 167834160

約数和(自身を除く): 86122552

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 257, 514, 1028, 2056, 2827, 3613, 5654, 7226, 11308, 14452, 22616, 28904, 39743, 79486, 158972, 317944, 928541, 1857082, 3714164, 7428328, 10213951, 20427902, 40855804, 81711608]

約数ペア:

[(1, 81711608), (2, 40855804), (4, 20427902), (8, 10213951), (11, 7428328), (22, 3714164), (44, 1857082), (88, 928541), (257, 317944), (514, 158972), (1028, 79486), (2056, 39743), (2827, 28904), (3613, 22616), (5654, 14452), (7226, 11308)]