77048890

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{17551}}^1$

素因数の和:17997

約数の個数: 16

約数和(自身を含む): 139011840

約数和(自身を除く): 61962950

約数列:

[1, 2, 5, 10, 439, 878, 2195, 4390, 17551, 35102, 87755, 175510, 7704889, 15409778, 38524445, 77048890]

約数ペア:

[(1, 77048890), (2, 38524445), (5, 15409778), (10, 7704889), (439, 175510), (878, 87755), (2195, 35102), (4390, 17551)]