131061385

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4057}}^1$

素因数の和:4153

約数の個数: 32

約数和(自身を含む): 196342272

約数和(自身を除く): 65280887

約数列:

[1, 5, 7, 13, 35, 65, 71, 91, 355, 455, 497, 923, 2485, 4057, 4615, 6461, 20285, 28399, 32305, 52741, 141995, 263705, 288047, 369187, 1440235, 1845935, 2016329, 3744611, 10081645, 18723055, 26212277, 131061385]

約数ペア:

[(1, 131061385), (5, 26212277), (7, 18723055), (13, 10081645), (35, 3744611), (65, 2016329), (71, 1845935), (91, 1440235), (355, 369187), (455, 288047), (497, 263705), (923, 141995), (2485, 52741), (4057, 32305), (4615, 28399), (6461, 20285)]