2161978

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1697}}^1$

素因数の和:1726

約数の個数: 24

約数和(自身を含む): 4065012

約数和(自身を除く): 1903034

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 1697, 3394, 11879, 22061, 23758, 44122, 83153, 154427, 166306, 308854, 1080989, 2161978]

約数ペア:

[(1, 2161978), (2, 1080989), (7, 308854), (13, 166306), (14, 154427), (26, 83153), (49, 44122), (91, 23758), (98, 22061), (182, 11879), (637, 3394), (1274, 1697)]