80989805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{9811}}^1$

素因数の和:9956

約数の個数: 16

約数和(自身を含む): 105498624

約数和(自身を除く): 24508819

約数列:

[1, 5, 13, 65, 127, 635, 1651, 8255, 9811, 49055, 127543, 637715, 1245997, 6229985, 16197961, 80989805]

約数ペア:

[(1, 80989805), (5, 16197961), (13, 6229985), (65, 1245997), (127, 637715), (635, 127543), (1651, 49055), (8255, 9811)]