277564820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1067557}}^1$

素因数の和:1067579

約数の個数: 24

約数和(自身を含む): 627724104

約数和(自身を除く): 350159284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1067557, 2135114, 4270228, 5337785, 10675570, 13878241, 21351140, 27756482, 55512964, 69391205, 138782410, 277564820]

約数ペア:

[(1, 277564820), (2, 138782410), (4, 69391205), (5, 55512964), (10, 27756482), (13, 21351140), (20, 13878241), (26, 10675570), (52, 5337785), (65, 4270228), (130, 2135114), (260, 1067557)]