20161198612

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{117216271}}^1$

素因数の和:117216318

約数の個数: 12

約数和(自身を含む): 36102611776

約数和(自身を除く): 15941413164

約数列:

[1, 2, 4, 43, 86, 172, 117216271, 234432542, 468865084, 5040299653, 10080599306, 20161198612]

約数ペア:

[(1, 20161198612), (2, 10080599306), (4, 5040299653), (43, 468865084), (86, 234432542), (172, 117216271)]