81829165

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 110315520

約数和(自身を除く): 28486355

約数列:

[1, 5, 11, 55, 59, 151, 167, 295, 649, 755, 835, 1661, 1837, 3245, 8305, 8909, 9185, 9853, 25217, 44545, 49265, 97999, 108383, 126085, 277387, 489995, 541915, 1386935, 1487803, 7439015, 16365833, 81829165]

約数ペア:

[(1, 81829165), (5, 16365833), (11, 7439015), (55, 1487803), (59, 1386935), (151, 541915), (167, 489995), (295, 277387), (649, 126085), (755, 108383), (835, 97999), (1661, 49265), (1837, 44545), (3245, 25217), (8305, 9853), (8909, 9185)]