90621808

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{138143}}^1$

素因数の和:138192

約数の個数: 20

約数和(自身を含む): 179863488

約数和(自身を除く): 89241680

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 138143, 276286, 552572, 1105144, 2210288, 5663863, 11327726, 22655452, 45310904, 90621808]

約数ペア:

[(1, 90621808), (2, 45310904), (4, 22655452), (8, 11327726), (16, 5663863), (41, 2210288), (82, 1105144), (164, 552572), (328, 276286), (656, 138143)]