1287900642

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{989171}}^1$

素因数の和:989214

約数の個数: 32

約数和(自身を含む): 3038736384

約数和(自身を除く): 1750835742

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 651, 1302, 989171, 1978342, 2967513, 5935026, 6924197, 13848394, 20772591, 30664301, 41545182, 61328602, 91992903, 183985806, 214650107, 429300214, 643950321, 1287900642]

約数ペア:

[(1, 1287900642), (2, 643950321), (3, 429300214), (6, 214650107), (7, 183985806), (14, 91992903), (21, 61328602), (31, 41545182), (42, 30664301), (62, 20772591), (93, 13848394), (186, 6924197), (217, 5935026), (434, 2967513), (651, 1978342), (1302, 989171)]