389743004

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{605191}}^1$

素因数の和:605225

約数の個数: 24

約数和(自身を含む): 813378048

約数和(自身を除く): 423635044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 605191, 1210382, 2420764, 4236337, 8472674, 13919393, 16945348, 27838786, 55677572, 97435751, 194871502, 389743004]

約数ペア:

[(1, 389743004), (2, 194871502), (4, 97435751), (7, 55677572), (14, 27838786), (23, 16945348), (28, 13919393), (46, 8472674), (92, 4236337), (161, 2420764), (322, 1210382), (644, 605191)]