1200000004

素因数分解:

$2^2\times 7^2\times {\mathrm{6122449}}^1$

素因数の和:6122467

約数の個数: 18

約数和(自身を含む): 2442857550

約数和(自身を除く): 1242857546

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 6122449, 12244898, 24489796, 42857143, 85714286, 171428572, 300000001, 600000002, 1200000004]

約数ペア:

[(1, 1200000004), (2, 600000002), (4, 300000001), (7, 171428572), (14, 85714286), (28, 42857143), (49, 24489796), (98, 12244898), (196, 6122449)]