201918136

素因数分解:

$2^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{18119}}^1$

素因数の和:18331

約数の個数: 32

約数和(自身を含む): 434880000

約数和(自身を除く): 232961864

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 199, 398, 796, 1393, 1592, 2786, 5572, 11144, 18119, 36238, 72476, 126833, 144952, 253666, 507332, 1014664, 3605681, 7211362, 14422724, 25239767, 28845448, 50479534, 100959068, 201918136]

約数ペア:

[(1, 201918136), (2, 100959068), (4, 50479534), (7, 28845448), (8, 25239767), (14, 14422724), (28, 7211362), (56, 3605681), (199, 1014664), (398, 507332), (796, 253666), (1393, 144952), (1592, 126833), (2786, 72476), (5572, 36238), (11144, 18119)]