1386908349

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{648391}}^1$

素因数の和:648448

約数の個数: 16

約数和(自身を含む): 1991860224

約数和(自身を除く): 604951875

約数列:

[1, 3, 23, 31, 69, 93, 713, 2139, 648391, 1945173, 14912993, 20100121, 44738979, 60300363, 462302783, 1386908349]

約数ペア:

[(1, 1386908349), (3, 462302783), (23, 60300363), (31, 44738979), (69, 20100121), (93, 14912993), (713, 1945173), (2139, 648391)]