1427284820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5489557}}^1$

素因数の和:5489579

約数の個数: 24

約数和(自身を含む): 3227860104

約数和(自身を除く): 1800575284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 5489557, 10979114, 21958228, 27447785, 54895570, 71364241, 109791140, 142728482, 285456964, 356821205, 713642410, 1427284820]

約数ペア:

[(1, 1427284820), (2, 713642410), (4, 356821205), (5, 285456964), (10, 142728482), (13, 109791140), (20, 71364241), (26, 54895570), (52, 27447785), (65, 21958228), (130, 10979114), (260, 5489557)]