199907477

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1291}}^1\times {\mathrm{2011}}^1$

素因数の和:3320

約数の個数: 16

約数和(自身を含む): 249552384

約数和(自身を除く): 49644907

約数列:

[1, 7, 11, 77, 1291, 2011, 9037, 14077, 14201, 22121, 99407, 154847, 2596201, 18173407, 28558211, 199907477]

約数ペア:

[(1, 199907477), (7, 28558211), (11, 18173407), (77, 2596201), (1291, 154847), (2011, 99407), (9037, 22121), (14077, 14201)]