28191728

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{37489}}^1$

素因数の和:37544

約数の個数: 20

約数和(自身を含む): 55785120

約数和(自身を除く): 27593392

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 37489, 74978, 149956, 299912, 599824, 1761983, 3523966, 7047932, 14095864, 28191728]

約数ペア:

[(1, 28191728), (2, 14095864), (4, 7047932), (8, 3523966), (16, 1761983), (47, 599824), (94, 299912), (188, 149956), (376, 74978), (752, 37489)]