642051212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{73327}}^1$

素因数の和:73541

約数の個数: 24

約数和(自身を含む): 1231910400

約数和(自身を除く): 589859188

約数列:

[1, 2, 4, 11, 22, 44, 199, 398, 796, 2189, 4378, 8756, 73327, 146654, 293308, 806597, 1613194, 3226388, 14592073, 29184146, 58368292, 160512803, 321025606, 642051212]

約数ペア:

[(1, 642051212), (2, 321025606), (4, 160512803), (11, 58368292), (22, 29184146), (44, 14592073), (199, 3226388), (398, 1613194), (796, 806597), (2189, 293308), (4378, 146654), (8756, 73327)]