613795

素因数分解:

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

素因数の和:115

約数の個数: 32

約数和(自身を含む): 967680

約数和(自身を除く): 353885

約数列:

[1, 5, 7, 13, 19, 35, 65, 71, 91, 95, 133, 247, 355, 455, 497, 665, 923, 1235, 1349, 1729, 2485, 4615, 6461, 6745, 8645, 9443, 17537, 32305, 47215, 87685, 122759, 613795]

約数ペア:

[(1, 613795), (5, 122759), (7, 87685), (13, 47215), (19, 32305), (35, 17537), (65, 9443), (71, 8645), (91, 6745), (95, 6461), (133, 4615), (247, 2485), (355, 1729), (455, 1349), (497, 1235), (665, 923)]