208809506

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{521}}^1$

素因数の和:794

約数の個数: 32

約数和(自身を含む): 338256000

約数和(自身を除く): 129446494

約数列:

[1, 2, 19, 38, 53, 106, 199, 398, 521, 1007, 1042, 2014, 3781, 7562, 9899, 10547, 19798, 21094, 27613, 55226, 103679, 200393, 207358, 400786, 524647, 1049294, 1969901, 3939802, 5494987, 10989974, 104404753, 208809506]

約数ペア:

[(1, 208809506), (2, 104404753), (19, 10989974), (38, 5494987), (53, 3939802), (106, 1969901), (199, 1049294), (398, 524647), (521, 400786), (1007, 207358), (1042, 200393), (2014, 103679), (3781, 55226), (7562, 27613), (9899, 21094), (10547, 19798)]