2171445812

素因数分解:

$2^2\times {\mathrm{199}}^1\times {\mathrm{661}}^1\times {\mathrm{4127}}^1$

素因数の和:4991

約数の個数: 24

約数和(自身を含む): 3825830400

約数和(自身を除く): 1654384588

約数列:

[1, 2, 4, 199, 398, 661, 796, 1322, 2644, 4127, 8254, 16508, 131539, 263078, 526156, 821273, 1642546, 2727947, 3285092, 5455894, 10911788, 542861453, 1085722906, 2171445812]

約数ペア:

[(1, 2171445812), (2, 1085722906), (4, 542861453), (199, 10911788), (398, 5455894), (661, 3285092), (796, 2727947), (1322, 1642546), (2644, 821273), (4127, 526156), (8254, 263078), (16508, 131539)]