661440147251

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1709}}^1\times {\mathrm{1566937}}^1$

素因数の和:1568678

約数の個数: 16

約数和(自身を含む): 750249914400

約数和(自身を除く): 88809767149

約数列:

[1, 13, 19, 247, 1709, 22217, 32471, 422123, 1566937, 20370181, 29771803, 387033439, 2677895333, 34812639329, 50880011327, 661440147251]

約数ペア:

[(1, 661440147251), (13, 50880011327), (19, 34812639329), (247, 2677895333), (1709, 387033439), (22217, 29771803), (32471, 20370181), (422123, 1566937)]