1285405655

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{1321}}^1\times {\mathrm{2741}}^1$

素因数の和:4138

約数の個数: 16

約数和(自身を含む): 1565967168

約数和(自身を除く): 280561513

約数列:

[1, 5, 71, 355, 1321, 2741, 6605, 13705, 93791, 194611, 468955, 973055, 3620861, 18104305, 257081131, 1285405655]

約数ペア:

[(1, 1285405655), (5, 257081131), (71, 18104305), (355, 3620861), (1321, 973055), (2741, 468955), (6605, 194611), (13705, 93791)]