17945641721

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{22643}}^1$

素因数の和:22829

約数の個数: 32

約数和(自身を含む): 22173004800

約数和(自身を除く): 4227363079

約数列:

[1, 7, 19, 59, 101, 133, 413, 707, 1121, 1919, 5959, 7847, 13433, 22643, 41713, 113221, 158501, 430217, 792547, 1335937, 2286943, 3011519, 9351559, 16008601, 25382803, 43451917, 134929637, 177679621, 304163419, 944507459, 2563663103, 17945641721]

約数ペア:

[(1, 17945641721), (7, 2563663103), (19, 944507459), (59, 304163419), (101, 177679621), (133, 134929637), (413, 43451917), (707, 25382803), (1121, 16008601), (1919, 9351559), (5959, 3011519), (7847, 2286943), (13433, 1335937), (22643, 792547), (41713, 430217), (113221, 158501)]