28620784

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{16411}}^1$

素因数の和:16528

約数の個数: 20

約数和(自身を含む): 55964920

約数和(自身を除く): 27344136

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 16411, 32822, 65644, 131288, 262576, 1788799, 3577598, 7155196, 14310392, 28620784]

約数ペア:

[(1, 28620784), (2, 14310392), (4, 7155196), (8, 3577598), (16, 1788799), (109, 262576), (218, 131288), (436, 65644), (872, 32822), (1744, 16411)]