28780345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{27541}}^1$

素因数の和:27576

約数の個数: 16

約数和(自身を含む): 39660480

約数和(自身を除く): 10880135

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 27541, 137705, 302951, 523279, 1514755, 2616395, 5756069, 28780345]

約数ペア:

[(1, 28780345), (5, 5756069), (11, 2616395), (19, 1514755), (55, 523279), (95, 302951), (209, 137705), (1045, 27541)]