128412004

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{86531}}^1$

素因数の和:86595

約数の個数: 24

約数和(自身を含む): 261672768

約数和(自身を除く): 133260764

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 86531, 173062, 346124, 605717, 1211434, 2422868, 4586143, 9172286, 18344572, 32103001, 64206002, 128412004]

約数ペア:

[(1, 128412004), (2, 64206002), (4, 32103001), (7, 18344572), (14, 9172286), (28, 4586143), (53, 2422868), (106, 1211434), (212, 605717), (371, 346124), (742, 173062), (1484, 86531)]