128400584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{6397}}^1$

素因数の和:6609

約数の個数: 32

約数和(自身を含む): 260654520

約数和(自身を除く): 132253936

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 193, 386, 772, 1544, 2509, 5018, 6397, 10036, 12794, 20072, 25588, 51176, 83161, 166322, 332644, 665288, 1234621, 2469242, 4938484, 9876968, 16050073, 32100146, 64200292, 128400584]

約数ペア:

[(1, 128400584), (2, 64200292), (4, 32100146), (8, 16050073), (13, 9876968), (26, 4938484), (52, 2469242), (104, 1234621), (193, 665288), (386, 332644), (772, 166322), (1544, 83161), (2509, 51176), (5018, 25588), (6397, 20072), (10036, 12794)]