81212878

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{5639}}^1$

素因数の和:6039

約数の個数: 16

約数和(自身を含む): 128592000

約数和(自身を除く): 47379122

約数列:

[1, 2, 19, 38, 379, 758, 5639, 7201, 11278, 14402, 107141, 214282, 2137181, 4274362, 40606439, 81212878]

約数ペア:

[(1, 81212878), (2, 40606439), (19, 4274362), (38, 2137181), (379, 214282), (758, 107141), (5639, 14402), (7201, 11278)]