27980615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{5449}}^1$

素因数の和:5546

約数の個数: 16

約数和(自身を含む): 36624000

約数和(自身を除く): 8643385

約数列:

[1, 5, 13, 65, 79, 395, 1027, 5135, 5449, 27245, 70837, 354185, 430471, 2152355, 5596123, 27980615]

約数ペア:

[(1, 27980615), (5, 5596123), (13, 2152355), (65, 430471), (79, 354185), (395, 70837), (1027, 27245), (5135, 5449)]