204865478

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{619}}^1\times {\mathrm{1303}}^1$

素因数の和:2051

約数の個数: 16

約数和(自身を含む): 310456320

約数和(自身を除く): 105590842

約数列:

[1, 2, 127, 254, 619, 1238, 1303, 2606, 78613, 157226, 165481, 330962, 806557, 1613114, 102432739, 204865478]

約数ペア:

[(1, 204865478), (2, 102432739), (127, 1613114), (254, 806557), (619, 330962), (1238, 165481), (1303, 157226), (2606, 78613)]