8991628

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{503}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 16299360

約数和(自身を除く): 7307732

約数列:

[1, 2, 4, 41, 82, 109, 164, 218, 436, 503, 1006, 2012, 4469, 8938, 17876, 20623, 41246, 54827, 82492, 109654, 219308, 2247907, 4495814, 8991628]

約数ペア:

[(1, 8991628), (2, 4495814), (4, 2247907), (41, 219308), (82, 109654), (109, 82492), (164, 54827), (218, 41246), (436, 20623), (503, 17876), (1006, 8938), (2012, 4469)]