28318768

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{41161}}^1$

素因数の和:41212

約数の個数: 20

約数和(自身を含む): 56144968

約数和(自身を除く): 27826200

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 41161, 82322, 164644, 329288, 658576, 1769923, 3539846, 7079692, 14159384, 28318768]

約数ペア:

[(1, 28318768), (2, 14159384), (4, 7079692), (8, 3539846), (16, 1769923), (43, 658576), (86, 329288), (172, 164644), (344, 82322), (688, 41161)]