51990295

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{18803}}^1$

素因数の和:18894

約数の個数: 16

約数和(自身を含む): 72207360

約数和(自身を除く): 20217065

約数列:

[1, 5, 7, 35, 79, 395, 553, 2765, 18803, 94015, 131621, 658105, 1485437, 7427185, 10398059, 51990295]

約数ペア:

[(1, 51990295), (5, 10398059), (7, 7427185), (35, 1485437), (79, 658105), (395, 131621), (553, 94015), (2765, 18803)]