78553321

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{13249}}^1$

素因数の和:13285

約数の個数: 18

約数和(自身を含む): 100448250

約数和(自身を除く): 21894929

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 5929, 13249, 92743, 145739, 649201, 1020173, 1603129, 7141211, 11221903, 78553321]

約数ペア:

[(1, 78553321), (7, 11221903), (11, 7141211), (49, 1603129), (77, 1020173), (121, 649201), (539, 145739), (847, 92743), (5929, 13249)]