161936336

素因数分解:

$2^4\times {\mathrm{647}}^1\times {\mathrm{15643}}^1$

素因数の和:16298

約数の個数: 20

約数和(自身を含む): 314256672

約数和(自身を除く): 152320336

約数列:

[1, 2, 4, 8, 16, 647, 1294, 2588, 5176, 10352, 15643, 31286, 62572, 125144, 250288, 10121021, 20242042, 40484084, 80968168, 161936336]

約数ペア:

[(1, 161936336), (2, 80968168), (4, 40484084), (8, 20242042), (16, 10121021), (647, 250288), (1294, 125144), (2588, 62572), (5176, 31286), (10352, 15643)]