131290352

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{190829}}^1$

素因数の和:190880

約数の個数: 20

約数和(自身を含む): 260292120

約数和(自身を除く): 129001768

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 190829, 381658, 763316, 1526632, 3053264, 8205647, 16411294, 32822588, 65645176, 131290352]

約数ペア:

[(1, 131290352), (2, 65645176), (4, 32822588), (8, 16411294), (16, 8205647), (43, 3053264), (86, 1526632), (172, 763316), (344, 381658), (688, 190829)]