128412868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{17419}}^1$

素因数の和:17539

約数の個数: 24

約数和(自身を含む): 239002400

約数和(自身を除く): 110589532

約数列:

[1, 2, 4, 19, 38, 76, 97, 194, 388, 1843, 3686, 7372, 17419, 34838, 69676, 330961, 661922, 1323844, 1689643, 3379286, 6758572, 32103217, 64206434, 128412868]

約数ペア:

[(1, 128412868), (2, 64206434), (4, 32103217), (19, 6758572), (38, 3379286), (76, 1689643), (97, 1323844), (194, 661922), (388, 330961), (1843, 69676), (3686, 34838), (7372, 17419)]