80643568

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{33827}}^1$

素因数の和:33984

約数の個数: 20

約数和(自身を含む): 157300200

約数和(自身を除く): 76656632

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1192, 2384, 33827, 67654, 135308, 270616, 541232, 5040223, 10080446, 20160892, 40321784, 80643568]

約数ペア:

[(1, 80643568), (2, 40321784), (4, 20160892), (8, 10080446), (16, 5040223), (149, 541232), (298, 270616), (596, 135308), (1192, 67654), (2384, 33827)]