1990796

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 3645600

約数和(自身を除く): 1654804

約数列:

[1, 2, 4, 41, 61, 82, 122, 164, 199, 244, 398, 796, 2501, 5002, 8159, 10004, 12139, 16318, 24278, 32636, 48556, 497699, 995398, 1990796]

約数ペア:

[(1, 1990796), (2, 995398), (4, 497699), (41, 48556), (61, 32636), (82, 24278), (122, 16318), (164, 12139), (199, 10004), (244, 8159), (398, 5002), (796, 2501)]