81238706

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{439}}^1\times {\mathrm{1381}}^1$

素因数の和:1889

約数の個数: 16

約数和(自身を含む): 124048320

約数和(自身を除く): 42809614

約数列:

[1, 2, 67, 134, 439, 878, 1381, 2762, 29413, 58826, 92527, 185054, 606259, 1212518, 40619353, 81238706]

約数ペア:

[(1, 81238706), (2, 40619353), (67, 1212518), (134, 606259), (439, 185054), (878, 92527), (1381, 58826), (2762, 29413)]