2177788795

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{11369}}^1$

素因数の和:11815

約数の個数: 32

約数和(自身を含む): 3224350080

約数和(自身を除く): 1046561285

約数列:

[1, 5, 7, 13, 35, 65, 91, 421, 455, 2105, 2947, 5473, 11369, 14735, 27365, 38311, 56845, 79583, 147797, 191555, 397915, 738985, 1034579, 4786349, 5172895, 23931745, 33504443, 62222537, 167522215, 311112685, 435557759, 2177788795]

約数ペア:

[(1, 2177788795), (5, 435557759), (7, 311112685), (13, 167522215), (35, 62222537), (65, 33504443), (91, 23931745), (421, 5172895), (455, 4786349), (2105, 1034579), (2947, 738985), (5473, 397915), (11369, 191555), (14735, 147797), (27365, 79583), (38311, 56845)]