397290418

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1493573}}^1$

素因数の和:1493601

約数の個数: 16

約数和(自身を含む): 716915520

約数和(自身を除く): 319625102

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 1493573, 2987146, 10455011, 20910022, 28377887, 56755774, 198645209, 397290418]

約数ペア:

[(1, 397290418), (2, 198645209), (7, 56755774), (14, 28377887), (19, 20910022), (38, 10455011), (133, 2987146), (266, 1493573)]