26393185

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 64

約数和(自身を含む): 42577920

約数和(自身を除く): 16184735

約数列:

[1, 5, 7, 13, 19, 35, 43, 65, 71, 91, 95, 133, 215, 247, 301, 355, 455, 497, 559, 665, 817, 923, 1235, 1349, 1505, 1729, 2485, 2795, 3053, 3913, 4085, 4615, 5719, 6461, 6745, 8645, 9443, 10621, 15265, 17537, 19565, 21371, 28595, 32305, 39689, 47215, 53105, 58007, 74347, 87685, 106855, 122759, 198445, 277823, 290035, 371735, 406049, 613795, 754091, 1389115, 2030245, 3770455, 5278637, 26393185]

約数ペア:

[(1, 26393185), (5, 5278637), (7, 3770455), (13, 2030245), (19, 1389115), (35, 754091), (43, 613795), (65, 406049), (71, 371735), (91, 290035), (95, 277823), (133, 198445), (215, 122759), (247, 106855), (301, 87685), (355, 74347), (455, 58007), (497, 53105), (559, 47215), (665, 39689), (817, 32305), (923, 28595), (1235, 21371), (1349, 19565), (1505, 17537), (1729, 15265), (2485, 10621), (2795, 9443), (3053, 8645), (3913, 6745), (4085, 6461), (4615, 5719)]