1389508

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 2620800

約数和(自身を除く): 1231292

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 389, 778, 893, 1556, 1786, 3572, 7391, 14782, 18283, 29564, 36566, 73132, 347377, 694754, 1389508]

約数ペア:

[(1, 1389508), (2, 694754), (4, 347377), (19, 73132), (38, 36566), (47, 29564), (76, 18283), (94, 14782), (188, 7391), (389, 3572), (778, 1786), (893, 1556)]