2798520193

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{354737}}^1$

素因数の和:354781

約数の個数: 16

約数和(自身を含む): 3405484800

約数和(自身を除く): 606964607

約数列:

[1, 7, 23, 49, 161, 343, 1127, 7889, 354737, 2483159, 8158951, 17382113, 57112657, 121674791, 399788599, 2798520193]

約数ペア:

[(1, 2798520193), (7, 399788599), (23, 121674791), (49, 57112657), (161, 17382113), (343, 8158951), (1127, 2483159), (7889, 354737)]