78876790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{415141}}^1$

素因数の和:415167

約数の個数: 16

約数和(自身を含む): 149451120

約数和(自身を除く): 70574330

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 415141, 830282, 2075705, 4151410, 7887679, 15775358, 39438395, 78876790]

約数ペア:

[(1, 78876790), (2, 39438395), (5, 15775358), (10, 7887679), (19, 4151410), (38, 2075705), (95, 830282), (190, 415141)]