989219

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:490

約数の個数: 16

約数和(自身を含む): 1278720

約数和(自身を除く): 289501

約数列:

[1, 7, 11, 29, 77, 203, 319, 443, 2233, 3101, 4873, 12847, 34111, 89929, 141317, 989219]

約数ペア:

[(1, 989219), (7, 141317), (11, 89929), (29, 34111), (77, 12847), (203, 4873), (319, 3101), (443, 2233)]