128580578

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{213589}}^1$

素因数の和:213641

約数の個数: 16

約数和(自身を含む): 225551040

約数和(自身を除く): 96970462

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 213589, 427178, 1495123, 2990246, 9184327, 18368654, 64290289, 128580578]

約数ペア:

[(1, 128580578), (2, 64290289), (7, 18368654), (14, 9184327), (43, 2990246), (86, 1495123), (301, 427178), (602, 213589)]