26697008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{128351}}^1$

素因数の和:128372

約数の個数: 20

約数和(自身を含む): 55704768

約数和(自身を除く): 29007760

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 128351, 256702, 513404, 1026808, 1668563, 2053616, 3337126, 6674252, 13348504, 26697008]

約数ペア:

[(1, 26697008), (2, 13348504), (4, 6674252), (8, 3337126), (13, 2053616), (16, 1668563), (26, 1026808), (52, 513404), (104, 256702), (208, 128351)]