38840008

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4909}}^1$

素因数の和:4981

約数の個数: 32

約数和(自身を含む): 77774400

約数和(自身を除く): 38934392

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 172, 184, 344, 989, 1978, 3956, 4909, 7912, 9818, 19636, 39272, 112907, 211087, 225814, 422174, 451628, 844348, 903256, 1688696, 4855001, 9710002, 19420004, 38840008]

約数ペア:

[(1, 38840008), (2, 19420004), (4, 9710002), (8, 4855001), (23, 1688696), (43, 903256), (46, 844348), (86, 451628), (92, 422174), (172, 225814), (184, 211087), (344, 112907), (989, 39272), (1978, 19636), (3956, 9818), (4909, 7912)]