1286956

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{2659}}^1$

素因数の和:2685

約数の個数: 18

約数和(自身を含む): 2476460

約数和(自身を除く): 1189504

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 2659, 5318, 10636, 29249, 58498, 116996, 321739, 643478, 1286956]

約数ペア:

[(1, 1286956), (2, 643478), (4, 321739), (11, 116996), (22, 58498), (44, 29249), (121, 10636), (242, 5318), (484, 2659)]