128537843

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1\times {\mathrm{757}}^1$

素因数の和:1082

約数の個数: 16

約数和(自身を含む): 149028864

約数和(自身を除く): 20491021

約数列:

[1, 7, 127, 191, 757, 889, 1337, 5299, 24257, 96139, 144587, 169799, 672973, 1012109, 18362549, 128537843]

約数ペア:

[(1, 128537843), (7, 18362549), (127, 1012109), (191, 672973), (757, 169799), (889, 144587), (1337, 96139), (5299, 24257)]