11981284

素因数分解:

$2^2\times 7^2\times {\mathrm{61129}}^1$

素因数の和:61147

約数の個数: 18

約数和(自身を含む): 24390870

約数和(自身を除く): 12409586

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 61129, 122258, 244516, 427903, 855806, 1711612, 2995321, 5990642, 11981284]

約数ペア:

[(1, 11981284), (2, 5990642), (4, 2995321), (7, 1711612), (14, 855806), (28, 427903), (49, 244516), (98, 122258), (196, 61129)]