164421808

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{250643}}^1$

素因数の和:250692

約数の個数: 20

約数和(自身を含む): 326338488

約数和(自身を除く): 161916680

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 250643, 501286, 1002572, 2005144, 4010288, 10276363, 20552726, 41105452, 82210904, 164421808]

約数ペア:

[(1, 164421808), (2, 82210904), (4, 41105452), (8, 20552726), (16, 10276363), (41, 4010288), (82, 2005144), (164, 1002572), (328, 501286), (656, 250643)]