81065812

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{397}}^1\times {\mathrm{719}}^1$

素因数の和:1191

約数の個数: 24

約数和(自身を含む): 144426240

約数和(自身を除く): 63360428

約数列:

[1, 2, 4, 71, 142, 284, 397, 719, 794, 1438, 1588, 2876, 28187, 51049, 56374, 102098, 112748, 204196, 285443, 570886, 1141772, 20266453, 40532906, 81065812]

約数ペア:

[(1, 81065812), (2, 40532906), (4, 20266453), (71, 1141772), (142, 570886), (284, 285443), (397, 204196), (719, 112748), (794, 102098), (1438, 56374), (1588, 51049), (2876, 28187)]