26571376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{127747}}^1$

素因数の和:127768

約数の個数: 20

約数和(自身を含む): 55442632

約数和(自身を除く): 28871256

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 127747, 255494, 510988, 1021976, 1660711, 2043952, 3321422, 6642844, 13285688, 26571376]

約数ペア:

[(1, 26571376), (2, 13285688), (4, 6642844), (8, 3321422), (13, 2043952), (16, 1660711), (26, 1021976), (52, 510988), (104, 255494), (208, 127747)]