128420639

素因数分解:

${\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{1051}}^1$

素因数の和:1238

約数の個数: 16

約数和(自身を含む): 138864000

約数和(自身を除く): 10443361

約数列:

[1, 19, 59, 109, 1051, 1121, 2071, 6431, 19969, 62009, 114559, 122189, 1178171, 2176621, 6758981, 128420639]

約数ペア:

[(1, 128420639), (19, 6758981), (59, 2176621), (109, 1178171), (1051, 122189), (1121, 114559), (2071, 62009), (6431, 19969)]