102520145

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1621}}^1$

素因数の和:1785

約数の個数: 32

約数和(自身を含む): 152597760

約数和(自身を除く): 50077615

約数列:

[1, 5, 7, 13, 35, 65, 91, 139, 455, 695, 973, 1621, 1807, 4865, 8105, 9035, 11347, 12649, 21073, 56735, 63245, 105365, 147511, 225319, 737555, 1126595, 1577233, 2929147, 7886165, 14645735, 20504029, 102520145]

約数ペア:

[(1, 102520145), (5, 20504029), (7, 14645735), (13, 7886165), (35, 2929147), (65, 1577233), (91, 1126595), (139, 737555), (455, 225319), (695, 147511), (973, 105365), (1621, 63245), (1807, 56735), (4865, 21073), (8105, 12649), (9035, 11347)]