55890742

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:628

約数の個数: 24

約数和(自身を含む): 89154000

約数和(自身を除く): 33263258

約数列:

[1, 2, 19, 38, 199, 361, 389, 398, 722, 778, 3781, 7391, 7562, 14782, 71839, 77411, 140429, 143678, 154822, 280858, 1470809, 2941618, 27945371, 55890742]

約数ペア:

[(1, 55890742), (2, 27945371), (19, 2941618), (38, 1470809), (199, 280858), (361, 154822), (389, 143678), (398, 140429), (722, 77411), (778, 71839), (3781, 14782), (7391, 7562)]