220190971

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{219971}}^1$

素因数の和:220002

約数の個数: 16

約数和(自身を含む): 295642368

約数和(自身を除く): 75451397

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 219971, 1539797, 2419681, 2859623, 16937767, 20017361, 31455853, 220190971]

約数ペア:

[(1, 220190971), (7, 31455853), (11, 20017361), (13, 16937767), (77, 2859623), (91, 2419681), (143, 1539797), (1001, 219971)]