256803998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{271463}}^1$

素因数の和:271519

約数の個数: 16

約数和(自身を含む): 429998976

約数和(自身を除く): 173194978

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 271463, 542926, 2986093, 5972186, 11672909, 23345818, 128401999, 256803998]

約数ペア:

[(1, 256803998), (2, 128401999), (11, 23345818), (22, 11672909), (43, 5972186), (86, 2986093), (473, 542926), (946, 271463)]