78439642

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1\times {\mathrm{2179}}^1$

素因数の和:2661

約数の個数: 16

約数和(自身を含む): 120859200

約数和(自身を除く): 42419558

約数列:

[1, 2, 41, 82, 439, 878, 2179, 4358, 17999, 35998, 89339, 178678, 956581, 1913162, 39219821, 78439642]

約数ペア:

[(1, 78439642), (2, 39219821), (41, 1913162), (82, 956581), (439, 178678), (878, 89339), (2179, 35998), (4358, 17999)]