489000001

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{503}}^1\times {\mathrm{4789}}^1$

素因数の和:5328

約数の個数: 16

約数和(自身を含む): 579398400

約数和(自身を除く): 90398399

約数列:

[1, 7, 29, 203, 503, 3521, 4789, 14587, 33523, 102109, 138881, 972167, 2408867, 16862069, 69857143, 489000001]

約数ペア:

[(1, 489000001), (7, 69857143), (29, 16862069), (203, 2408867), (503, 972167), (3521, 138881), (4789, 102109), (14587, 33523)]