265616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1277}}^1$

素因数の和:1298

約数の個数: 20

約数和(自身を含む): 554652

約数和(自身を除く): 289036

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1277, 2554, 5108, 10216, 16601, 20432, 33202, 66404, 132808, 265616]

約数ペア:

[(1, 265616), (2, 132808), (4, 66404), (8, 33202), (13, 20432), (16, 16601), (26, 10216), (52, 5108), (104, 2554), (208, 1277)]