178742005

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{5717}}^1$

素因数の和:5785

約数の個数: 24

約数和(自身を含む): 238577832

約数和(自身を除く): 59835827

約数列:

[1, 5, 13, 37, 65, 169, 185, 481, 845, 2405, 5717, 6253, 28585, 31265, 74321, 211529, 371605, 966173, 1057645, 2749877, 4830865, 13749385, 35748401, 178742005]

約数ペア:

[(1, 178742005), (5, 35748401), (13, 13749385), (37, 4830865), (65, 2749877), (169, 1057645), (185, 966173), (481, 371605), (845, 211529), (2405, 74321), (5717, 31265), (6253, 28585)]