128564972

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{3361}}^1$

素因数の和:3569

約数の個数: 24

約数和(自身を含む): 229880112

約数和(自身を除く): 101315140

約数列:

[1, 2, 4, 73, 131, 146, 262, 292, 524, 3361, 6722, 9563, 13444, 19126, 38252, 245353, 440291, 490706, 880582, 981412, 1761164, 32141243, 64282486, 128564972]

約数ペア:

[(1, 128564972), (2, 64282486), (4, 32141243), (73, 1761164), (131, 981412), (146, 880582), (262, 490706), (292, 440291), (524, 245353), (3361, 38252), (6722, 19126), (9563, 13444)]