66590992

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{320149}}^1$

素因数の和:320170

約数の個数: 20

約数和(自身を含む): 138945100

約数和(自身を除く): 72354108

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 320149, 640298, 1280596, 2561192, 4161937, 5122384, 8323874, 16647748, 33295496, 66590992]

約数ペア:

[(1, 66590992), (2, 33295496), (4, 16647748), (8, 8323874), (13, 5122384), (16, 4161937), (26, 2561192), (52, 1280596), (104, 640298), (208, 320149)]