209970878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{63589}}^1$

素因数の和:63731

約数の個数: 16

約数和(自身を含む): 341859840

約数和(自身を除く): 131888962

約数列:

[1, 2, 13, 26, 127, 254, 1651, 3302, 63589, 127178, 826657, 1653314, 8075803, 16151606, 104985439, 209970878]

約数ペア:

[(1, 209970878), (2, 104985439), (13, 16151606), (26, 8075803), (127, 1653314), (254, 826657), (1651, 127178), (3302, 63589)]