28880159

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{4871}}^1$

素因数の和:4907

約数の個数: 18

約数和(自身を含む): 36934632

約数和(自身を除く): 8054473

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 4871, 5929, 34097, 53581, 238679, 375067, 589391, 2625469, 4125737, 28880159]

約数ペア:

[(1, 28880159), (7, 4125737), (11, 2625469), (49, 589391), (77, 375067), (121, 238679), (539, 53581), (847, 34097), (4871, 5929)]