13122004

素因数分解:

$2^2\times 7^2\times {\mathrm{66949}}^1$

素因数の和:66967

約数の個数: 18

約数和(自身を含む): 26713050

約数和(自身を除く): 13591046

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 66949, 133898, 267796, 468643, 937286, 1874572, 3280501, 6561002, 13122004]

約数ペア:

[(1, 13122004), (2, 6561002), (4, 3280501), (7, 1874572), (14, 937286), (28, 468643), (49, 267796), (98, 133898), (196, 66949)]