199842643

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1103}}^1$

素因数の和:1315

約数の個数: 32

約数和(自身を含む): 270047232

約数和(自身を除く): 70204589

約数列:

[1, 7, 11, 13, 77, 91, 143, 181, 1001, 1103, 1267, 1991, 2353, 7721, 12133, 13937, 14339, 16471, 25883, 84931, 100373, 157729, 181181, 199643, 1104103, 1397501, 2196073, 2595359, 15372511, 18167513, 28548949, 199842643]

約数ペア:

[(1, 199842643), (7, 28548949), (11, 18167513), (13, 15372511), (77, 2595359), (91, 2196073), (143, 1397501), (181, 1104103), (1001, 199643), (1103, 181181), (1267, 157729), (1991, 100373), (2353, 84931), (7721, 25883), (12133, 16471), (13937, 14339)]