28438672

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{77279}}^1$

素因数の和:77310

約数の個数: 20

約数和(自身を含む): 57496320

約数和(自身を除く): 29057648

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 77279, 154558, 309116, 618232, 1236464, 1777417, 3554834, 7109668, 14219336, 28438672]

約数ペア:

[(1, 28438672), (2, 14219336), (4, 7109668), (8, 3554834), (16, 1777417), (23, 1236464), (46, 618232), (92, 309116), (184, 154558), (368, 77279)]