51108784

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1889}}^1$

素因数の和:2005

約数の個数: 40

約数和(自身を含む): 105462000

約数和(自身を除く): 54353216

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 89, 152, 178, 304, 356, 712, 1424, 1691, 1889, 3382, 3778, 6764, 7556, 13528, 15112, 27056, 30224, 35891, 71782, 143564, 168121, 287128, 336242, 574256, 672484, 1344968, 2689936, 3194299, 6388598, 12777196, 25554392, 51108784]

約数ペア:

[(1, 51108784), (2, 25554392), (4, 12777196), (8, 6388598), (16, 3194299), (19, 2689936), (38, 1344968), (76, 672484), (89, 574256), (152, 336242), (178, 287128), (304, 168121), (356, 143564), (712, 71782), (1424, 35891), (1691, 30224), (1889, 27056), (3382, 15112), (3778, 13528), (6764, 7556)]